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Clinical Medicine - Emergency Medicine
N/A
87
Medical
Graduate
11/29/2011

Additional Medical Flashcards

 


 

Cards

Term
Chest Trauma:
1. __% of deaths from blunt trauma are due solely to chest injuries
2. _/_ of deaths occur after reaching hospital
3. SErious pathological consequences?
4. increases mortality rate by ___%, pneumo by __%, hemothorax by ___%, pulmonary contusion by ___%, flail chest by ___%
5. 3 examples of blunt injuries?
6. __ is the most common sign of blunt thoracic trauma
7. Fx of ___, ___, or ___ suggests massive force of injry
Definition


1. 25%


2. 2/3


3. hypoxia, hypovolemia, cardiac contusions

4. 27%, 38%, 42%, 56%, 69%

5. direct blow, deceleration injury, compression injury

6. rib fx

7. scapula, sternum, first rib

Term
air in the pleural cavity caused by blunt or penetrating injury that disrupts the parietal or visceral pleura

unilateral signs: decreased movement and breath sounds, resonant to percussion

confirm by CXR

when do you treat it?
when NOT to treat?
Definition

pneumo

 

tx: large, any pt on pos pressure ventilation, sx pts

tx with chest tube

 

DON'T treat: asymptomatic ptsw/ small penumos

Term
How do you treat a pneumo w/o surgery?
Definition
high flow O2 for 24 hours to help lung expand
Term
air enters pleural space and cannot escape
sx: CP, dyspnea, resp distress, tracheal deviation, absence of breath sounds, distended neck veins, hypotension

tx?
Definition

tension pneumo

 

tx: needle, NOT chest tube

14 gauge needle, midclavicular line above 2nd ICS superior to rib to avoid VAN

Term
air in pericardium

usually a sign of a big pneumo

tx?
Definition

pneumopericardium

 

tx pneumo. if it doesn't get better, needs pericardial window or pericardiocentesis

Term
caused by blunt or penetrating trauma, generally from chest wall injury
requires rapid decompression and fluid rescusitation

clinically: hypovolemia, absence of breath sounds, dullness to percussion

CXR may be confused with collapsed lung

tx?
Definition

hemothorax

 

tx: chest tube w/ larger tube than with pneumo

Term
when does a hemothorax need to go to surgery?
Definition
immediate return of 1500 ml of blood or 250 ml/hr for 4 hours
Term
most common thoracic injury in trauma
- more than half of thoracic injuries from non-penetrating trauma
- 10% of all pts admitted after blunt chest trauma have one or more
- not life threatening in themselves but can be an external marker of more severe visceral injury - injure liver or spleen
Definition
rib fx
Term
Rib Fx:

1. ribs __-__ are most commonly injured
2. avg blood loss per fx rib is __-__ ml
3. what makes rib fx's severe?
4. mortality doubles with __ or more ribs
5. fx of lower left ribs can lead to __ injury
6. fx of lower right ribs can lead to __ injury
7. fx of post lower ribs can lead to __ injury
8. fx of upper ribs, scapula, or clavicle can lead to ___ injry
Definition

1. 5-9

2. 100-150 ml

3.pain causes resp splinting = atelectasis and pneumonia, more likely to nee thoaractomy and laparotomy, increased risk of hepatic and splenic injury

4. 3 or more

5. spleen

6. liver

7. renal

8. vascular

Term
2 fx sites on three consecutive ribs which creates a mobile fragment that moves paradoxically with respiration and hinders the creation of expected ipsilateral negative inspiratory force

main significants is that it indicates the presence of an underlying pulmonary contusion

dx: wall motion abnormality, Chest CT, 3D recon of chest wall

tx?
Definition

flailed chest

 

tx: splinting, external fixation, mechanical ventilation, plating

Term
1. What is a pulmonary contusion?
2. Why is it so significant?
3. sx?
4. tx?
Definition

1. bruised lung

2. enoguh force to go through bones to bruise lung - acute trauma to lung. injury to alveolar-capillary walls, intra-alveolar hemorrhage, interstitial edema, increased tissue wt, airway and arterial resistance, decreased compliance, decreased surfactant content, decreased blood flow

3. sx: dyspnea, tachypnea, hemoptysis, cyanosis, hypotension

4. Tx: O2 (maintain PaO2 >60 mmHg), vigorous chest physiotherapy, rapid volume replacement, liberal colloid use, place PA catheter when large or rapid volume replacement is needed

 

controversial tx: proning, nitric oxide, steroids, abx

Term
combination of pulmonary contusion + flail chest has a mortality of __% due to ARDS- pt needs to go to ICU immediately
Definition
42
Term
hemorrhage + decreased lung compliance + airway inflammation + atelectasis + ARDS = ?
Definition
interstitial edema
Term
indications for an ER thoracotomy
Definition

Pts who come into ER alive and then code

No blunt trauma

Not on pts who are dead when they come in

done on penetrating trauma

Term
How do you differentiate between hemothorax and pulmonary contusion?
Definition
contusion will have breath soudns
Term
caused by a direct impact that causes a tear in the middle meningeal artery
80% over temporal/occipital area
Sx: AMS, lucid interval, deterioration

classic: knocked out, wake up, unconscious again

CT: football shaped area of opacity

tx?
Definition

epidural hematoma

 

tx: surgery to evacuate

 

 

Term
Common in elderly and alcoholics due to tear of tethered bridging veins
Often seen in deceleration injuries
May be acute with s/s w/in 24 hours, subacute w/in 24hours - 2 weeks, or chronic >2 weeks

poor prognosis if AMS at time of presentaiton

CT: bleed follows contour of skull
Definition
subdural hematoma
Term
Most common bleed in the brain
Global headache and photophobia with N/V
good prognosis
vasospasm leading to cerebral ischemia is common

outcome related to amount of blood

tx?
Definition

subarachnoid hemorrhage

 

tx: O2 and maintain BP

 

one episode of hypoxia increases mortality 10 fold

Term
Rules for repairing lip lacerations

1. Local anesthesia distorts anatomy, so use a ___ block
2. ___ must be aligned
3. use ___ suture
4. if >__% of lip is lost, refer
5. Beware of toddlers with ___
Definition

1. sub-mental

2. vermilion border - most important

3. absorbable

4. 25%

5. electrical peri-oral burns

Term
where do you begin suturing on a nose laceration
Definition
one stitch and edge then go from top down
Term
Rules for repairing ear lacerations:

1. use a ___ block
2. close ___ first
3. Use ___ bc then cartilage has terrible blood supply
4. splint with molded wet cotton and compressive dressing
5. check frequently for ____
Definition

1. peri-chondral

2. cartilage

3. broad spectrum abx

4. ---

5. perichondral hematoma

Term
Facial laceration rules:
1. Wounds <__ hrs can be closed but beware of contamination
2. Use ___ as anesthetic
3. remove ____
4. close in ___
Definition

1. 24 hrs

2. lidocaine w/ epi

3. tatoos

4. layers

Term
95% of neck injuries are where in the neck?
Definition

zone 2: between angle of mandible and cricoid cartilage

 

All of these injuries go to OR immediately

Term
Zones of the neck and what is included in each
Definition

Zone 1: clavicles to cricoid - great vessels, aortic arch, trachea, esophagus, lung apices, c-spine, spinal cord, cervical nerve roots, thyroid

 

Zone 2: cricoid to angle of mandible - carotid and vertebral arteries, jugulars, pharynx, larynx, trachea, esophagus, c-spine, spinal cord, vagus nerve

 

Zone 3: angle of mandible to mastoid process - salivary and parotid glands, esophagus, trachea, c-spine, carotids, jugulars, CN IX-XII

Term
If a neck injury penetrates the ___, it needs to go to the OR
Definition
platysma
Term
Flow chart for penetrating neck injuries:

1. hemorrhagic shock, expanding hematoma, or evolving stroke in zone 1 or 3?
2. hemorrhagic shock, expanding hematoma, or evolving stroke in zone 2?
3. NO hemorrhagic shock, expanding hematoma, or evolving stroke in any zone
Definition

1. get emergency angiography available. if not, immediate operation

2. immediate operation

3. get Lateral neck and CXR. If normal --> critical care for observation. If abnormal --> further testing

Term
Blunt neck trauma:

1. If AMS, intoxication, distracting injury, tenderness over c-spine, or neuro deficit... ?
2. If abnormal voice, stridor, subcu air, resp signs or sxs, blood in airway .... ?
3. If carotid bruit, unexplained neuro deficit, Horner's synrome, basilar skull fx through carotid canal, severe flexion or extension fx, massive facial injuries or significant hematoma ... ?
4. Pian on swallowing?
Definition

1. C-spine films

2. laryngoscopy, CT larynx, bronchoscopy

3. angiography, color-flow doppler, helical CT angiogram

4. contrast study of esophagus, esophagoscopy

Term
What do you do if a pt has a carotid bruit after trauma?
Definition
CT angiogram or carotid US
Term
Trauma Pearls:

1. Airway management: early ___ is best, even in mildly symptomatic
2. ___ is the best method to control bleeding
3. Neuro deficits not explained by head CT are the hallmark of ____ injury in blunt neck trauma
4. 3 lines to look at on C-spine xr
5. Need to see ___ vertebrae for an adequate c-spine film
Definition

1. intubation

2. direct pressure (NOT clamping)

3. vascular injury

4. anterior bodies, posterior bodies, spinolaminar

5. 8 - 7 C's + T1

Term
Nexus rules for c-spine clearanc (5)
Definition

1. A&O, no intox

2. no midline c-spine tenderness

3. no distracting injury

4. normal neuro

5. MOI is not suspect

Term
Indications for c-spine xrays
Definition

neck pain and/or midline c-spine tenderness

AMS

intoxication/drugs

focal neuro deficits

distracting injuries

 

Term
Spinal cord syndromes:

most common of incomplete spinal cord lesions. neck is subjected to forced hyperextension. ligamentum flavum buckles into cord, resulting in a concussion or contusion. Affects central gray matter and most central portions of pyramidal and spinothalamic tracts. variable quadriparesis with some sensory sparing

Hallmark: greater neuro deficit in upper extremities than the lower extremities
Definition
central cord syndrome
Term
Spinal cord syndrome:

results from cervical flexion injuries causing cord contusion
protrusion of a bony fragment or herniated disc into spinal cord

results in paralysis and hypalgesia below level of lesion

hallmarks: preservation of posterior column function (fine touch and proprioception) and laceration or thrombosis of anterior spinal artery
Definition
anterior cord syndrome
Term
spinal cord syndrome:

hemisection of spinal cord from a penetraing lesion or after lateral mass fx of c-spine

Hallmarks: ipsilateral motor paralysis and contralateral sensory loss distal to lesion
Definition
brown-sequard syndrome
Term
spinal cord syndrome:

severe injury below level of L2
characterized by perineal or bilateral leg pain, bowel/bladder dysfunction, perianal anesthesia (saddle anesthesia) and diminished rectal sphincter tone and lower extremity weakness
Definition
cauda equina syndrome
Term
Spinal cord pearls:

1. always get at least __ xray views
2. data does not support the use of ___
Definition

3

steroids

Term
kid who can't move his legs but everything looks normal on MRI
Definition
SCIWORA: spinal cord injury w/o radiography abnormality
Term
most important responsibility once the hospital receieves a call that an emergency is coming in?
Definition
assign duties
Term
1. The first VS change in shock is ____
2. transient drop in BP with sudden blood loss implies ____
3.
Definition

narrowed pulse pressure

tamponade

Term
Primary ATLS survey
Definition

1. airway - MOST importnat

2. breathing

3. circulation- pulse/bp

4. disability - physical, neurologic

5. expose: strip, flip, touch, smell

 

how do you assess all these things at once? ask them a question. if they can answer, they're ok

Term
What vitals to get in trauma
Definition

MOM VITALS

 

M: monitor

O: O2

M: Mast trousers (pelvic fx)

V: Vital signs

I: IVs - 2 large boar

T: tetanus, tubes

A: Abx

L: Labs
S: Studies

Term
IF a pt needs blood and you're not sure what type they are, what do you give them?
Definition
O+ for males
O- for females
Term
what does it mean if a trauma pt has a negative base deficit?
Definition
they are being under resuscitated
Term
Quick US to assess for free fluid in abdomen

should be assumed to be blood in trauma pt
Definition
FAST exam
Term
Drugs for trauma pts:

1. for everyone
2. for open fx
3. for soft tissue wounds
4. for abd injuries
5. for agitation
6. for pain managment
7. for sedation
Definition

1. tetanus

2. gentamycin

2. ancef

3. unasyn or flagyl

4. haldol or zyprexa

5. fentanyl

6. benzos

Term
penumo with shock sx?
Definition
tension - needle it
Term
When do pts with a pneumo need a chest tube?
Definition
smptomatic
Term
components of the secondary survey
Definition

after pt is stable...

 

auscultate, palpate, and percuss everywhere

 

continually reassess primary survey

 

decide if more imaging or OR

Term
most common cause of morbidity and mortaility in trauma
Definition

abd trauma

 

young pts can sequester 60% of total blood volume in abd w/o s/s

Term
MVA, unrestrained driver, ejected from vehicle, intubated in field
PE: diminished breath sounds on left, open tib/fib fx, scalp lacerations, unconscious
HR 140, BP 105/90, RR 35

What now?
Definition

CXR: pneumo + rib fx

do chest tube

staple scalp lacs

give fluids 2 L

Wrap leg

 

If stable --> CT

if unstable --> FAST exam, if pos --> OR

Term
27 y/o male w/ gunshot wound to chest. No exit wound. Hypotensive
What now?
Definition

A: fine

B: diminished breath sounds on right --> Pneumo

--> Chest tube

C: fine

 

get CXR to look for bullet.

Not seen = in abd --> GO TO OR ASAP

Term
any penetrating chest wound can be the abdomen if it entered from the ___ ICS or down
Definition
4th
Term
GSW are most likely to injure the ____

SWs are most likely to injure the ____
Definition

small bowel

liver

Term
indications for laparotomy in penetrating abd trauma
Definition

hemodynamic abnormalities

GSW

signs of peritonitis or fascial penetration

Term
Blunt abd trauma:

___ account for 75% of blunt abd trauma

Most common organ injured?

seat belt sign is indicative of ___ injury

bloody gastric aspirate after MVA?

direct epigastric blow + persistently increasing amylase?
Definition

mvas

spleen

small bowel

duodenal/jejunal injury

pancreatic injury

Term
most common injury from seat belts?
Definition
jejunum
Term
Abdominal trauma:

1. Monitor VS every __-__ min
2. Good story, shock, abd tenderness -- ?
3. No bowel sounds is 30% accurate for ____
4. Indications for NG tube?
5. labs for abd trauma?
6. ___ is most important film to get
7. only get abd film if ?
Definition

1. 3-5

2. OR

3. ileus

4. relieve acut gastric dilation, decompression before DPL, reduce risk of aspiration

5.Hct, metabolic acidosis, tox/alcohol screens, UA w/ hcg, type and cross

6. CXR

7. missile trajectory

Term
FAST exam:
1. can ID as little as __cc blood
2. scan what 4 areas?
Definition

1. 100cc

2. pericardial sac, hepatorenal fossa, splenorenal fossa, pelvis

Term
___ is a non-hypovolemic source of bleeding in trauma pts
Definition
pericardial sac
Term
procedure in abd trauma that should be done by surgeon making decision
blind, intra-umbilical approach
good for unstable, multi-traumas
great for bowel injuries
positive tap is 10cc free blood or lavage w/ 100,000 RBCs in aspirate

rarely done anymore
Definition
DPL
Term
what kind of fluids do adult and kid trauma pts need?
Definition

adults: 1-2L

Kids: 20 ml/kg

Term
trauma pneumonic
Definition

Oh My, I Almost Lost The Darn Vital Signs

O: O2/airway

M: Monitor

I: IVs

A: ABGs, Abx

L: Labs

T: Tubes/tetanus

D: Drugs

V: Vitals  every 3-5 min

S: Studies

Term
most common solid organ injury w/ blunt trauma
can sequester entire blood volume in abd due to this

tx?
Definition

splenic injury

 

tx: observation, splenic artery embolization, splenectomy

 

vaccinations: N. meningitidis, S. pneumo, H flu

Term
Factors associated with a GI bleed that have a high morbidity rate
Definition

hemodynamic instability

repeated  hematemesis or hematochezia

age > 60 y/o

coexistant organ disease

Term
upper GI bleeds:
1. originate proximal to ____
2. normally present wtih ____
3. most common cause?
4. Erosive ggastritis and esophagitis most commonly caused by ___, ____, and ____
5. esophageal varices from ___ - high mortality
6. longitudinal tear in mucosa in the cardioesophageal region from repetitive retching - followed by bright red hemateemsis
Definition

1. ligament of treitz

2. hematemesis

3. PUD

4. EtOH, salicylates, NSAIDs

5. portal hypertension

6. mallory-weiss tears

Term
Lower GI bleeds:

1. originate distal to ____
2. usually characterized by ____
3. Most common cause?
4. painless, massive bleeding?
5. usually of the right colon, thought to be more common in pts with HTN and aortic stenosis
6. what about melena?
Definition

1. ligament of treitz

2. hematochezia

3. upper GI bleed. Most common cause of true LGI bleed is hemorrhoids

4. diverticulosis

5. angiodysplasia (AVM)

6. melena - most likely UGI that's been in GI tract for >14 hrs

Term
GI bleed hx:

1. epigastric or RUQ gnawing or burning that gets better w/ food?
2. weight loss + changes in bowel patterns
3. hematemesis after vomiting
4. epigastric or RUQ gnawing/burning that gets worse w/ food?
5. Black stools?
Definition

1. PUD

2. cancer

3. mallory-weis

4. cholecystitis

5. iron

Term
PE and labs for GI bleed
Definition

1. vitals - hypotension? tachy?

2. skin - cold, clammy, jaundice, palmer erythema, spinder angiomata

3. ENT - nose bleed? hemoptysis?

4. ABD - tenderness, masses, ascites, organomegaly

5. rectal

6. mental status

 

Labs: Type and cross, H&H, chemistry w/ glucose, BUN, Cr, coagulation - PT/PTT/INR, LFTs, EKG, NG tube suction

Term
pt with low Hgb but normal HR... what should you rule out before saying they're ok?
Definition
beta blockers
Term
Tests/imaging for GI bleed
Definition

1. XR - usually not helpful

2. angiography - may help ID site of bleed and offer therapy such as embolism. Need 0.5-2.0 cc/min bleed to work

3. Bleeding scan (Technetium labeled RBC scan) - more sensitive than angiography, can localize bleeding at rate of 0.1cc/min

4. Endoscopy - most accurate

Term
Flow chart for GI bleed:

1. If hemodynamically unstable?
2. If hemodynamically stable?
Definition

If unstable:

1. IV fluids, blood, vasopressors

2. upper endoscopy

- if Pos --> treat

- If neg --> colonoscopy, RBC scan, angiography

 

IF stable:

1. NG tube

- if pos for coffee grounds or fresh blood or if no hx of hematochezia-- upper endoscopy

- if neg + hx of hematochezia - colonoscopy

Term
Pancreatitis:
1. 90% of cases are from ___ or ___
2. __ is most common cause in teens
3. ___ is most common cause in kids
4. sx?
5. ecchymosis on flanks
6. ecchymosis around umbilicus
7. Dx?
8. ALT >80 suggests?
9 XR may show?
10. ___ is best radiographic study
11. Tx?
Definition

1. cholelithiasis or etoh abuse

2. mumps

3. trauma

4. sx: midepigastric or LUQ boring pain that radiates to back, flank, chest, lower abd. intense. variable. increased in supine position. decreased with flexion of trunk and knees. N/V, weakness, sweating, anxiety, low grade fever, tachy, jaundice, pallor, UQ tenderness, +/- gaurding/rebound, absent bowel sounds, evidence of pleural effusion

5. turner's

6. cullen's

7. lipase and amylase will be elevated, leukocytosis (10-30K), proteinuria, granular casts, glycosuria, hyperglycemia, increased bilirubin

8. cholelithiasis

9. XR: calcification (chronic dz), sentinel loop of dilated bowel, pleural effusion

10. CT

11. Tx: supportive - NPO, rest, IVF. analgesia if needed. abx in severe disease only, NG suction if sentinel loop, drain abscesses and remove gallstones

Term
Ranson's criteria
Definition

predictor of outcomes for pancreatitis

3+ is considered severe disease

8+ indicates significant mortality

 

On admission:

1. Age >55

2. WBC >16K

3. Glucose > 200

4. LDH >350

5. AST > 250

 

W/IN 48 Hours:

1. HCT < by 10%

2. BUN > by 5 or more

3. Ca <8

4. PO2 <60

5. Base deficit >4

6. Fluid sequestration >6

Term
general tx principle for pancreatitis?
Definition
rest the pancreas - fluids, rest, npo
Term
PE, Labs, and tx for gastroenteritis
Definition

1. good hx - have they been to another country? been on abx? have HIV?

2. PE: GI, Neuro (botulism), VS, signs of dehydration

3. Labs: stool culture, c diff if on recent abx, fecal leukocyte, CBC, O&P,

4. tx: IVF, avoid spicy foods, oral rehydration, anti-diarrheals (lomotil, loperamide, kaopectate, bismuth), anti-emetics (compazine, phenergan, zofran)

Term
occurs when a player returns to play after a mild head injury before the brain has fully healed and incurs a second injury
Definition

second impact syndrome

 

has exponential effects -- not additive

 

 

Term
treat concussions with ___, not ___
Definition
acetaminophen, not narcotics
Term
Charcot's triad in cholangitis
Definition
jaundice, fever, upper abd pain
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