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test 5
barnes pennington
86
Pathology
Undergraduate 3
08/20/2011

Additional Pathology Flashcards

 


 

Cards

Term

Eczema

Definition

-        Atopic

-        Red…blistering…itchy…scaly…skin disease

o  Hereditary

o  Chronic

o  Typically occur at puberty

o  Occurring on flexor areas

§  Neck…wrist

o  ongoing

Term

-        Contact eczema

Definition

o  Antigen antibody reaction

o  Localized

o  Poison ivy

o  Around nose…edge of mouth

o  Topical steroids

Term

Neurodermatitis

Definition

-        Cold temp

-        Caused by compulsive scratching of skin

-        b/c skin is dry and it itches

-        keep skin moist …. Lubricated

-        topical steroids…calm skin down

Term
Hives
Definition

-        Edema

o  swelling

-        Erythema

o  Redness

-        99% reflective of allergic reaction

o  Food…medication

-        If severe response

o  Steroids to calm response down

-        Maybe a bit of benadryl

Term

Psoriasis

Definition

-        Thick….scaly lesions…silvery white color

-        Resemble fish scales

-        Classically on the  Knees, elbows, scalp

-        Appear at any age

-        Older people after 50 years

o  Correlated w/ Arthritis

o  1—2 % at age 50—65 also 1—2% w/ psoriasis

-        If early in life

o  Real problem rest of life

-        Runs in family

o  Not genetic

o  Possibly reflective of immune disorder

Term

Cutaneous Infections

-        Warts

Definition

o  Caused by DNA Virus

§  Communicable…contagious

§  Flat warts

·      Appear almost anywhere

§  Planters

·      Almost exclusively…bottom of foot

-        As virus invades

o  Kind of V—Form

o  Planters warts can hurt…painful to walk….must excise tissue…nerve inflammation

o  Compound W

§  Works ok

§  Salicylic acid

Term

-        Planters vs. flat

Definition

o  Vitamin A…toxic to virus

o  Topical….6 days…1 day off….3—6 weeks…kill virus

-        Planters

o  Duct tape

Term

Herpes Simplex I

Definition

Cold sore/fever blister

1.Some People…just have cold sores

2.What precedes these…immunologically compromising event

3.Some people…never get them

4.Chronic…. Greater than 6 a year

a.  Small pox vaccine

b.70% never another cold sore

Term

Herpes Simplex II

Definition

1.Only communicable…when outbreak of herpes

2.Difficult thing…predicting outbreak

3.Manifesting itself 24—48 hours before person knows it

4.Concerned…in females…who are pregnant…ready to deliver and currently have an outbreak

a.  Child pick up virus on skin

b.Disseminated herpes

c.   Body—wide herpes

d.50% mortality

e.  Secondarily infected

Term

Chicken Pox – Shingles

Definition

-        VZ Virus

-        Pox…latin…mark

-        Some kids…few lesion…..some kids…covered

o  Depends on degree of exposure

-        Shingles

o  Almost exclusively in adults

o  Re-infection…someone who has had the POX

o  VZ virus

§  1st time….always POX

§  Immune system only recognizes circle portion of virus…antibodies go

Term

Chicken Pox – Shingles

Definition

-        When re—introduced

o  Only coming from square of virus

o  Re – infection of partially immune host

o  Most of the time w POX   

§  Find virus in dorsal ganglia in particularly sensory nerve cells

§  Sit there forever

-        Classically when compromised (immune)

o  Virus grows/reproduces in dorsal ganglia cells

-        Doesn’t look that bad

o  But painful

o  Narcotic pain

o  Affected nerve

o  Last a 1-2 weeks…may never come back….may arise w flu

-        You w chicken pox could give the person shingles

o  Big time problem…female pregnant….1st 26 weeks….infected w shingles

o  Birth defects….fingers…toes…urinary bladder

o  Virus…mutated cell….

Term

Candidiasis

Definition

1.New borns….gums/mouth…thrush

2.Vaginal lining…yeast infection

Term

Basal Cell Carcinoma

Definition

-        Most common

-        Arises from basal (basement) epidermal layer of skin

-        Directly correlated with age

-        Inversely correlated w pigmentation of skin

-        Increase with age

-        Very correlated w sun exposure

-        80% = face, neck, head….(routinely sun exposed areas)

-        Rarely metastasize

-        Biopsy….thats it…no chemo..no radiation…easily dealt with

Term

Squamous Cell

Definition

-        2nd most common

-        Arises from epidermis

-        Rarely metastasizes if occurs on routinely sun exposed area

o  If on butt….higher probability

-        Typically surgically removed….typically that’s it

-        D

-        Basal and squamous….comprise 97% of skin cancers

Term

Melanoma

Definition

-        3% CA=60% death

-        Frequent metastasize

-        Melana…greek…dark…black….melodrama

-        Very correlated w Sun exposure

-        Until a decade ago

o  Between 4th and 7th decade of life

-        Now increases in teens…20 year olds….why we say wear sunscreen

-        Runs in family…seems to be genetic predisposition

o  Not sure where gene is YET

-        Asymmetry

-        Border

o  ragged

-        Color

o  Uneven…shades of black,brown

-        Diameter

o  Change in size over time

-        Elevation

-        If diagnosed early

o  Good prognosis

-        Can arise somewhere besides skin

o  Eye..vaginal

-        From epidermis

Term

Cerebral Vascular Accident

Definition

-        CVA = strokes

o  3rd most common cause of death in this country

-        4 mechanisms of CVA…….most common to least common

o  Thrombis

o  Embolis

o  Bleed

o  Aneurism

Term

-        Thrombosis

Definition

o  40% of cases

o  Plaque…cerebral circulatory system

o  60-69=peak age

o  Hopefully…TIA…transient ischemic attack

§  Some transitory loss/episode of cerebral dysfunction

o  TIA is to brain…angina is to heart

o  Onset of symptoms

§  In early morning hours…or shortly after awaking

§  Also the onset of MI’s

§  Platelets are stickier in early morning hours

·      Correlated      w circadian rhythms

o  S & S

§  Occurring in step wise fashion…not gradual fashion

§  Suddenly lost feeling in left arm

§  Now my entire left side

§  Left leg numb

§  Boom….boom

Term

-        Embolism

Definition

o  2nd most likely…Younger population

o  Manifestation of heart disease (cardiovascular disease)

o  From thrombosis in heart

§  Thrown embolis from vascular…into cerebral

o  Most common site…mid-cerebral artery

Term

-        Cerebral Hemorrage

Definition

o  Rupture cerebral artery/vein

o  Cranial bleed

§  Problem….swelling brain tissue…from increased fluid…nowhere for expansion….w solid skull

o  Displacement and compression

§  If push long enough…compress vessels…lose blood supply…occlude supply

o  Real question

§  Where and how much is bleed

o  If slow

§  Can put 100 ml of blood in entire cerebral hemisphere….and would be ok

o  5 ml. in brain stem

§  I’m dead

§  Pushes against base of skull…cut off respiratory…cardiovascular

o  Severe headache

§  Worst headache of my life….gets your attention

o  Vomiting…often projectile

o  CT scan

§  Used to do spinal tap....if bloody…positive

o  If bleed…and anticoagulants

§  More blood accumulation

Term

Aneurysms

Definition

-        Least likely….Asymptomatic

o  First sign…funeral….rupture and dead

-        Very similar to aortic aneurysms

-        Rupture during activity

o  Pressure goes up

 

-        “like something snapped in my head”

-        Back to bleed scenario

o  How big is blow…vessel…how much…anticoagulants

-        Most likely cite…circle of willis

-        Few aneurysms that run in family

o  Structural abnormality in a few vessels

Term

Vascular Migraine

Definition

-        Female less 40 yrs.

-        Overall males/females….about 5% of population

-        75% of population have positive history in the family

-        Very correlated with menstrual cycle

o  If on birth control…makes migraines worse

-        Vasodilation….vasoconstriction….localized vessel inflammation

-        Cerebral blood flow

o  Reduced…during period before headache….

o  Increased…during actual headache

-        Constriction…before

-        Dilation…during

-        2 basic types 

o  Classic

o  Common

o  Minimal difference

-        Blood flow

Term

-        Classic

migraine

Definition

o  Prodromal phase

§  Pre headache phase

§  Some kind of neurological cue…bout to have migraine

·      Lose vision…ringing in ears…smell

Term

-        Common

Definition

o  No pre phase

-        Unilateral pain

o  Start out as dull ache…very quickly pulsating pain (vascular)….throbbing pain

o  Hurts between temple

o  Frontal…temporal pain

-        Don’t wanna be touch…comforted…just wana go in room…lights off…go away

o  Reason

o  Sleep relieves headache…throbbing pain ????

Term

treatment

migraine

Definition

o  No pre phase

-        Unilateral pain

o  Start out as dull ache…very quickly pulsating pain (vascular)….throbbing pain

o  Hurts between temple

o  Frontal…temporal pain

-        Don’t wanna be touch…comforted…just wana go in room…lights off…go away

o  Reason

o  Sleep relieves headache…throbbing pain ????

Term

Cluster

Definition

-        Nightly few weeks or months

-        Males = more common

-        Associated with REM

o  Tend to occur w REM sleep patterns

o  Wake up take med…sleep…wake up

-        May be a form/type of migraine

-        Cluster

o  Occur in a cluster of time

o  Couple of months….goes away for a “year”

-        Different kind of pain in terms of migraine pain

o  Constant

o  Starts out and stays unilateral

o  Localized on one side of face or one side of eyes (orbital tissue)

-        Cluster headaches

o  People move…can’t sit still

o  Not hide in room

o  Often times pain will wake you up

-        Seen in children

Term

Muscular –Tension

Definition

-        Band like tightness

-        Pain going down back of neck

-        Head in a vice

-        Muscle contractions

o  Tylenol…ibuprofen

-        Chronic headaches

o  Taking Tylenol

o  Doesn’t make it go away completely

o  Comes back

-        Ibuprofen

o  Anti-inflammatory….anti prostaglandins

o  Prostaglandins

§  Cause smooth muscles to constrict

o  Menstrual cramps

§  Tylenol no

§  Ibuprofen yes

o  Prostaglandins…Produced by uterus….and muscles in head and neck

o  Early labor

§  Inhibit prostaglandins …stop uterus from contracting

Term

Traction

Definition

-        Secondary

-        Meningitis, inf. Sinus, teeth etc.

-        Inflammatory headaches

-        Secondary to something else in vicinity

o  If meningitis…infected sinus…absess wisdom tooth…broken nose…eye strain

Term

EPILEPSY

Definition

1.Highest incidence of primary epilepsy 75% develops before age of 20

2.Can a 30 year old suddenly develop epilepsy

a.  Probably not

b.secondary

Term

Partial/Focal

two presentations

Definition

jacksonian

psychomotor

Term

-        Jacksonian

Definition

o  Jacksonian motor seizures

o  Start w twitching of a finger…then hand…then arm…then shoulder….right side of chest….right leg

o  Only on one side of body

§  Presentation of seizure…..one side        motor

o  Don’t lose upright stance….conscious

Term

-        Psychomotor

Definition

-        Purposeless movement

-        Clapping of hand….slapping lips…blinking eyes

-        Typically conscious

-        Upright position maintained

-        Publicity

o  Video games causing seizure

o  No they weren’t

o  Video games

§  Can initiate psychomotor seizures

o  Also strobe lights

o  Any kind of flashing light

o  Visual and auditory stimuli

§  Can initiate seizure

-        Looking at isolated/focal area in cerebral cortex

Term

Generalized

-        Bilateral

-        Absence/petit mal

Definition

o  Almost exclusively in children

o  Brief period

§  Absent

§  Just kinda staring at you

§  May/not osciltation of the eyes

Term

-        Tonic/clonic = Grand mal

Definition

o  Often times…patients will have aura prior to seizure

o  Aura

§  Talking about classic migraines

§  Warning u will have seizure

·      Smell…tingling…ringing ears

§  Some don’t have auras

·      Their seizure are difficult to control

·      Seizure dogs

o  May last for 3-4-5 minutes

o  lose bladder control

o  not conscious

§  last thing remembered…aura…no recall

Term

-        Febrile tonic

Definition

o  Increases in Temp

o  Children less 5 yrs.

-        Idiopathic

-        Suddenly spiked temp of 102

o  What looks like and what is grand mal seizure

o  Cool child down…end of seizure….thanks/bye

-        Runs in family

o  All kids w probably have it

-        Almost always

o  Grow out of this

o  Stops…around 10—12

o  Small percentage

§  Never stops

Term
Amyotrophic Lateral Sclerosis (ALS
Definition

-        Affects 4th – 7th decade of life

-        Idiopathic

o  Genetic

o  Virus

o  Autoimmune

o  Not too sure it’s any of these

-        Changes in

o  Spinal cord

o  Lower brain stem

o  Motor neurons in cerebral cortex

§  Lose / Deterioration of neurons

-        unaffected

o  Sensory neurons

o  Intellectual ability

-        Can’t breath/talk

o  Pneumonia

o  Put you on respirator…or let you die

-        High incidence of ALS

o  Athletes

o  Lou gehrig

§  15 concussions

o  Statistically based upon general population

§  NFL 14 vs. 1 in normal cases

§  Boxing same stats

Term

Huntington’s

Definition

-        38 yrs = onset

o  Average onset of symptoms

-        can live another 20 years

-        ultimately bed—ridden

-        Uncommon

-        Genetic

o  We know that

o  Abnormal gene on chromosome 4

-        Slow…nasty…progressive

-        Cell decrease in basal ganglia and cerebral cortex

-        All neurons

-        Motor neurons

o  Noticed first to go

-        If in family

o  Really think twice…reproduce

o  If parent

§  50/50 chance

-        Huntington Indiana

o  Huntington family

o  Settled in area

o  Half family developed this pathology

Term

Parkinsonism

Definition

-        Tremors

o  At rest

-        Bradykinesia

o  Very slow movements

-        Decrease dopamine production

-        Deficit in dopamine pathways

-        If stimulated dopamine pathways….fight/flightt

Term

Multiple Sclerosis

Definition

-        Young population

-        Female = more common

-        Rare tropics

-        Lesions in white matter of CNS

o  Demyelinate nerve cells

o  Insulation of nerves

o  Keeps current from leaking out

-        Symptoms occur ….get better

o  Remyelinate neurons

-        98% of patients

o  Antibody to proteins in myelin sheath

-        Not cure…but alleviate symptoms

o  Inject w/ bovine myelin

o  More attractive antigen to antibody

o  Antibody attacks bovine    vs.  somatic myelin

Term

Myasthemia Gravis

Definition

-        Grave/profound muscle weakness

-        1:10,000

-        20 yrs = peak

-        Lil more common in malesvs.    females

-        Decrease acetylcholine receptors

-        Autoimmune

-        Antibody to protein in acetylcholine receptors

-        Localized antigen-antibody reaction

-        Symptoms

o  Associated with ocular muscles

-        Nystagmus

o  Repeatedup/down     left/right

-        90% of patients

o  Nothing but eye stuff….     Stops there

-        Eye….       Face…          laryngeal…  pharyngeal…

Term

Alzheimer’s

Definition

-        10% population over 65 years

-        Decrease hippocampal and cortical neurons

-        Classic chronic neurological disease

-        Also lose acetylcholine production

-        Aluminum toxicity

o  Part of pathology of disease

o  Don’t get alzheimers…       from drinking soda/can

Genetic component

Term

alzheimers

presentation

Definition

-        Presentation

-        Initially

o  Recent or short term memory

§  Did I turn the light off

-        Next 

o  Trouble organizing daily activities

-        Eventually

o  Confused

o  Disorientated

o  Don’t know how to get there from here

o  Can still play piano

-        Some long term memories

o  Never be affected

-        Brain

o  Always tries to protect itself

o  To degree that it can

§  Make up an excuse

-        Average course of disease

o  Contraction…death

o  6—8 years

Term

alzheimers

diagnosis

Definition

-        Diagnosis of exclusion

o  Don’t have stroke…            encephalitis…           ok u have alzheimers

-        ADAP

o  Alzheimers disease associated protein

o  Unique/specific protein

o  Requires spinal tap

§  Invasive

-        Can’t really be diagnosed until post—mortum

-        Occasionally

o  Young onset

o  Usually 45—50

Etiology

-        Virus

-        Autoimmune

-        Aluminum toxicity

Term

Increased intercranial pressure (ICP)

Definition

-        Normal ICP = 50-200 mm H20

-        Increases periodically

-        Sustained…need to worry

o  24-36-48 hrs

-        Bleeding…trauma

-        As brain expands…      come up against immovable skull

-        Limiting blood flow

-        Typically Closed head trauma

-        Increases ICP = decreased blood flow

Head Trama                     Brain Tissue Damage

                           Breakdown of BL-Brain Barrier

                           Cerebral Edema

                           Increased ICP

                           Decreased Cerebral Blood Flow

                           Hypoxia, Ischemia

                           Increase PCo2, Decrease Ph

Term

seizures

coma

Definition

1.Seizures

2.Comas

 

Glascow Comma Scale 1-5

-        Eye Opening 1-4

-        Verbal responses 1-5

-        Motor responses 1-6

Just know what they are…in text

Term

Epidural Hematoma

Definition

-        50% mortality

-        Temporal lobe down and inward

-        Dilation of pupils

-        Often arterial

Term

Subdural Hematoma

Definition

-        Venous

-        Brain stem

-        Loss BP and respiration

Just know what they are…in test…..S & S a bit

Term
PMS
Definition

-        Dysmenorrheal

-        Post partum blues….psychosis…depression

-        Gave women progesterone after ovulation

o  Didn’t do very good

-        Calcium being upped and maintained…helps

-        Rarely occurs in women

o  Who have disrupted their menstrual cycle

§  Birth control

§  Pregnant

-        Can be severe

-        Dysmenorhea

o  Painful menstruation

o  Not a physical condition involving uterus

o  Related to Increased prostaglandin from endometrial lining

§  Innermost lining of uterus

o  Combination Birth control pill

§  Prevents ovulation

§  If you don’t ovulate don’t build up such endometrial tissue

§  Not as much prostaglandins

§  In direct method

Term

PID

Definition

-        IUD = increased risk

-        Pelvic inflammatory disease

-        Generalized inflammatory reaction

-        Almost always related to infection

-        Two concerns

o  In pelvic area – infection – reproductive area

-        Often result of STD

-        Other concern

o  Pelvic area – vascular area

o  Organisms being absorbed and circulating throughout body

§  Septicemia

-        Walk…PID

o  PID shuffle

o  Waddle like a duck…try not to move your hips

Term

Toxic Shock

Definition

-        S. aureus

-        Small % of women 8% carry staph aureus in their vagina

-        10% carry staph aureus in nasopharynx

o  Of no consequence

-        But if you work in ICU…infection control

-        Newborns are incredibly susceptible to staph pneumonia

-        Super absorbant tampons….cotton…breaking down…cottonàsugar

o  Staph loves sugar

o  As staph grows…releases exotoxins

o  Absorbed through mucosal lining of vagina

o  Exotoxin causes rash (resembles sunburn)…fever (101-2-3 degrees)…diarrhea (most importantly)

-        What kills people

o  Combination of fever and diarrhea

o  Fluid and electrolytes

o  Not enough vein to get fluid into you

o  Cardiac and respiratory failure

-        Diabetic

o  Pee out lots of sugar

o  Staph – sugar – toxic shock syndrome

Term

Cancer Cervix

Definition

-        In situ = full thickness epithelium

-        Dysplasis = less than full thickness

-        Unique cancer

-        Carcinoma in situ

o  Unique

o  Malignant

o  More like a benign tumor

o  Surrounded by perfectly normal cells

o  Not terribly invasive

-        Encapsulated malignancy

-        75-80%

o  Result of STD

o  Males are giving you HPV & herpes

-        More frequent sexual exposure…more likely of having cancer

-        Pap smear

-        Other 20-25%

o  Runs in family

o  Some history in family…pap smears a bit more often

Term

Cancer Endometrium

Definition

-        After menopause

-        Ovary = site metastasis

-        Most likely develops after menopause

-        Between 55 and 65 years of age

-        Predictable cancer 

-        Cannot be diagnosed early

o  Big enough tumor and your getting symptoms

-        Myometrium…ovaries…metastasis

-        Birth control

o  Decreases certain forms of cancer

o  Combination pill

o  Deceptive

o  If your 60 why u gonna be on birth control

Term

Ovarian CA

Definition

-        26% of the cancers involving reproductive system

-        Most occurs Post menopause

-        Whats going on w ovaries post menopause

o  Nothing

o  Hard to diagnose early

o  Aren’t detected until big enough…cause pain…palpate

-        Some do occur pre-menopause

-        At least if occurring

o  In ovary ovulating out of (women favor one ovary over another)

Term

Fallopian CA

Definition

-        Rare

-        May never see this

-        Good that its rare…extremely poor prognosis

-        How are we gonna pick it up

-        Metastasizes

o  Ovaries and uteries

-        5 year survival rate

o  Near 0 (zero)

Term

Breast

Definition

-        Fibrocystic breast disease

o  Characterized by

§  Cyst formation

§  Ductal epithelial proliferation

§  Ductal adenosis

·      With formation of fibrous tissue

o  All that means is

§  Palatable masses in breast tissue

§  And sometimes discharge

o  Correlated with Increased estrogen and deficiency progesterone during luteal phase of menstrual cycle

-        Affects about 50% of all females

-        Bilateral

-        Probably not a disease…renamed

o  Fibrocystic changes in breast

-        Some of these changes

o  Correlated increase probability of breast cancer

-        Proliferation of epithelial tissue in ducts

o  Increased correlation

-        Most predominant after ovulation

Soon after disappear

Term

Cancer Breast

Definition

-        Second most common form of cancer in females

-        Common in north America/ western Europe

-        Rare in japan

-        Increase risk for breast cancer if never given birth

o  Nuns

-        Increase risk

o  Started menstruation early

o  Menopause late

o  Something to do w ongoing estrogen levels (exposure)

-        Slight increased risk

o  First pregnancy after age of 30

-        Decreased risk

o  Breast feeding

-        Virus in mice

o  Causes breast cancer

o  In humans

§  Next to no evidence of virus correlations

Term

o  LCIS

Definition

§  Lobular carcinoma in sutu

·      In situ (non invasive)

·      Lump ectomy

§  Not necessary to remove entire breast

§  Chances are it will return

Term

o  DCIS

Definition

§  Ductal carcinoma in situ

o  Ductal system

o  Maybe lump ectomy maybe a bit more radical surgery

o  Ductal     

§  Possible secretion of cells

o  1st two

§  About 20%

Term

o  IDC

Definition

§  Invasive ductal carcinomas

o  80%

o  Not confined or in situ

§  Invasive

o  Classic presentation

o  Slow growing

o  1 cm mass…about smallest you can palpate

§  Takes 7 years to get there

§  Statistically at this point 25% have metastasized

-        Ductal system

-        Thought mammograms be big diagnosing tool

o  Can miss stuff

o  Too small

-        Diagnosis

o  Real key…breast exams

Term

Paget Disease

Definition

-        Nipple ducts

Inflammatory CA

-        Extremely Rapid growth

-        Surgery ASAP

-        Very guick aggressive metastasizes

-        Poor prognosis

-        Not common

Term

Hypogonadism

Definition

-        Decrease in testosterone

-        Prepubertal period

o  Delay epiphysis closings on bone

-        In 25 year old

-        More like 18 and on

o  Correlated with libido

o  Sperm counts decreased

-        End result…less testosterone

Term

CA Prostate

Definition

-        19% CA in males

o  95% = adenocarcinoma

o  Gland

-        No relationship in benign prostatic hyperplasia

o  BPH and cancer of prostate

-        85 years old (half)…95 years old (2/3) will have it

-        Depending on where on gland…slow growing

-        Treatment…function of who you ask

-        Prostate…very sensitive to androgens and estrogens

-        Treatment

o  Estrogen…inhibit activity on prostate

o  Side effect…breast tissue

Term

-        PSA

Definition

o  Prostate specific antigen

o  Correlated w prostate cancer

o  If elevated …

o  Located precariously

§  Removing prostate meant…75% of time…imcompetent impotent

§  b/c of cutting nerves

§  if 90 years old no problem

-        nerve sparing surgery

o  go in and cut around all o nerves

o  20% chance of impotence & incontinence

-        Assuming no history of prostate cancer

o  PSA prostate exam yearly

-        We are concerned with continually elevating PSA

-        Runs in family

o  Probably soon find a gene

-        If family

o  Back up exams to age 40

-        PSA…proven very helpful

Term

CA Testes

Definition

-        1% of cancer in males

-        If male has a growth in testes…its cancer…its malignant…bottom line

-        Males don’t usually get growths

-        Peak = 20-35 years

-        Testes…pretty simple…seminiferous tissue

o  Uncoiled tube…40 yards long…compressed 2in x 1in

-        Probability of getting pregnant…astronomical

-        Once sperm inside egg

o  Egg repels the rest

Term

Neisseria gonorrhea

Definition

-        Very delicate bacteria

-        Not environmental…must be passed person to person

-        3-5 days incubation

-        Discharge

-        Must appear in WBC

Term

Neisseria gonorrhea

males

Definition

-        Males = urethra

o  Infected urethra…localized

o  Symptoms develop in 3-5 days

o  Pain burn during urination

o  Discharge from penis…pus

o  Motivating symptoms

Term

Neisseria gonorrhea

females

Definition

-        Females = urethra and cervix

o  50% have same thing

§  3-5 day incubation

§  Discharge vaginal

§  Pain burn—urination

o  Other 50%

§  6 weeks

§  Remain Sexually active…cohort of transmission

§  This group is getting off worse

§  Incidence of PID increases

§  Infection uterus/fallopian tubes increases

Term

Neisseria gonorrhea

S&S

diagnosis

Definition

-        Direct gram stain of pus

o  Intercellular gram negative cocci

o  Pus is mostly SEG’s

-        Pain…burning (urination)…discharge(pus)…gram – cocci….all put togetherà

o  85% chance of being gonorrhea

o  Non gonnococyl urethritis other 15%

-        We deal w 2-4 million new cases each year

o  That are reported

-        Obstetrics

o  At time of delivery…antibiotics into eyes of infant…gonorrhea…just in case

-        Can get repeat cases of gonorrhea

o  Each time…urethra scars up

Term

Syphilis

Definition

-        T. Pallidum

o  Very hardy

-        One of few Spiral shaped pathogens

-        Historical significance

-        Edgar allen poe…christopher Columbus

-        Predictable stages

o  Incubation period 2—6 weeks

o  Primary syphillus…chancre at point of entry…soft ulcer

o  Chancroid…

§  Looks like à

§  Viral

-        Painful

-        Only be transmitted…when chancre is present (2—4 weeks)

-        When disappears

Term

syphillus

stages

Definition

o  Secondary stage

§  Looks like flu

§  Temperature

§  Chicken pox

§  Few days…week…then they go away

§  Rash all over body

-        Latent stage

o  Symptom free for year

o  Latent = equilibrium

o  Infective powers vs. defensive powers are equal

o  No better no worse

 

Term

syphillus

faq

Definition

-        If untreated

o  Headed to brain or heart valves

o  Bicuspid valve

-        Pre—maritial blood work

-        Children

o  Transmitted prenatally

o  Find organism in blood stream

-        Mother gets pregnant and contracts syphillus

o  40 weeks til pregnant

o  6 weeks syphillus

o  Infant has syphillus in brain and cardiac problems

o  Assuming no medical attention

-        Child

o  First sign…permanent teeth come in…central front incisors

o  Each tooth comes in w prominent notch in center of two

o  Hutchinsons teeth…obvious notch

-        Syphillus

o  Never mutated…plain old penicillin

Term

VOLUME IMBALANCES

Primarily involve extracelluar fluids

 

ECF volume deficit = hypovolemia

 

Definition

-        Loss = amts. Water and sodium

o  Equal loss or gains of water/sodium

-        This is not dehydration

o  What happens to sodium…hypernatremia

-        Almost always related to Renal and/or extra renal loss of body fluids

-        Most common reason = prolonged vomiting, NG suction, massive diarrhea, bleedings, burns

-        Renal  

o  Anything from kidneys that causes polyuria

-        Most common

o  Vomiting

o  Nasogastric suction

o  Diarrhea

-        All 3 most common

o  Involve GI tract

o  b/c GI tract involves Na/H2O

-        patients can also lose

o  large amounts of fluid

-        Temp 101-103 over a 24 hr. period

o   fluid increase requirements of 500 mL

-        Temp above 103 over a 24 hr. period

o   fluid increase requirements 1000 mL

Term

VOLUME IMBALANCES

Primarily involve extracelluar fluids

 

ECF volume deficit = hypovolemia

Definition

-        Hypovolemia reduces/impairs cardiac output

o  Not ejecting enough out of left side of heart

o  Affects blood pressure

-        Decrease renal profusion activates rennin-angiotensin-aldosterone mechanism

o  Hold onto Na/H20

o  Generally do fine for a while

-        Stay lying down

-        3-4K mL fluid deficit

o  Skin pale…clammy

-        Volume deficits impair cardiac output

Term

ECF Volume Excess = Hypervolemia

Definition

-        Water and NA+ retained in same proportions

-        As fluid accumulates

o  Trying to save person from congestive heart failure

-        Shift fluid into interstitial fluids      

-        Edema – localized or generalized

-        Renal failure…congestive heart failure (two classics)…     also, in cirrhosis of liver

-        Any scenario

o  Cant get rid of fluid

Term

OSMOTIC IMBALANCES

Intracellular fluids

Definition

1.Unequal loss/gains in sodium/water

2.Hypo/hyper natremias

3.Sodium NA+ major osmotic active solute in ECF

Hypoosmotic = hyponatermia

Hyperoosmotic = hypernatremia

Term

Hypoosmotic

Definition

-        Definition…lab standpoint…Serum NA+ below 135 mEQ/L

o  Loss of NA+ in excess of water

§  Vomiting…diarrheas

o  Gain water in excess of NA+

§  Congestive heart failure…renal failure

-        Psychological

o  Psychogenic polydipsia

o  Compulsive drinking of water

Term

Hyperosomotic

Definition

-        Definition…lab standpoint…Serum NA+ above 145 mEQ/L

-        If increase in Na…water shifts from intracellular to extracellular

-        Insufficient water intake

o  Had a stroke couldn’t tell you they were thirsty

o  Burns…dehydrations

-        Loss of water in excess of NA+

-        NA+ gain in excess of water

o  Near drownings in the ocean

o  No one is paying attention to IV’s

-        Protective mechanism = thirst

-        Stroke and elderly patient…may not respond to thirst

Term

COMPOSITION CHANGES

Definition

K+ Imbalances

-        Serum 3.5-5.5 mEq/L

-        Inside cell 160 mEq/L intracellular

-        Without altering osmotic activity

Term

Hypokalemia

Definition

-        Serum K+ below 3.5 mEq/L

-        K+ pH connection…high correlation

o  0.1 unit fall in pH, K+ increases 0.5 mEq/L

o  0.1 unit increase in pH, K+ decreases 0.5 mEq/L

o  Vomiting = increase in renal excretion of K+

-        Alcoholics

-        NG suction

-        Top 3 most common    

o  Vomiting

o  Diarrhea

o  Naso Gastric Sucitoning

§  Losing particularly upper gastric fluid…losing acid from stomach

§  If, then blood pH going to rise…

§  Clearing K through kidneys

Term

Hyperkalemia

Definition

-        Serum K+ greater 5.5 mEq/L

-        Higher K less cardiac cells excitable

-        Renal failure…cant pee out K

-        ER!!

Term

ACID BASE BALANCE

Definition

Normal = 7.35 – 7.45 (St. Basic)

Less 7.35 = Acidosis

More 7.45 = Alkalosis

Buffer System

H2O + HCL = H+ + Cl- (ph = 7)

              pH (acid)

H2O + NaOH = Na+ + OH-

              ph (base)

H2CO3 = Carbonic Acid

NaHCO3 = Sodium Bicarbonate

ACID

HCL + NaHCO3         H2CO3 (Carbonic Acid Weak) + NaCl (Salt = Neutral)

              Carbonic

H2CO3         Anhydrase   H2O + CO2

              (RBC)                  (Expired)

 

Base

NaOh + H2CO3         NaHCO3 (St. Basic Salt) + H2O

Carbonic Acid – Excess base

Sodium Bicarbonate – Excess acid

Ratio 1:20

1 Carbonic Acid

20 NaHCO3               Normal pH

       H2CO3                pH

       NaHCO3             pH

 

Term

Respiratory Regulation

Definition

-        Control pCO2

CO2 + H2O         H2CO3

       CO2             H2CO3, pH buffer more acid

       CO2             H2CO3, pH buffer less acid

       Depth, rate resp. =   pCO2

                           Acid

       Depth, rate resp. =   pCO2

                           Acid

              H2CO3

Factor                               Kidney retains H+ and excretes Base (HCO3)

              NaHCO3                   

Normal Ratio restored

 

Term

Renal Regulation

Definition

Factor          H2CO3                Kidney Excretes H+

Causes         NaHCO3     

                                  Reabs    Base (HCO3)

 

 

                                  Normal ratio restored

Term

Metabolic Acidosis

Definition

-        Decrease in HCO3- = decrease in pH

-        Diarrhea = most common

-        RTA, hypoaldosteronism, increase lactate, ketoacidosis, starvation, ASA

-        Respiratory = hyperventilation = decrease PCO2

Term

Metabolic Alkalosis

Definition

-        Increase in HCO3 = increase in pH

-        Vomiting, NG suction, Cushings, hyperaldosteronism, antacids

-        Compensation

-        H+ exits cell to buffer

-        Increase in lactic acid

-        Decrease ventilation

-        Excretion of excess HCO3-

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