Shared Flashcard Set

Details

Nurs 4210 Exam III
Hematology
63
Nursing
Undergraduate 4
10/11/2011

Additional Nursing Flashcards

 


 

Cards

Term
Blood Forming Organs
Definition

Bone Marrow

Spleen

Liver

Lymph Nodes

Thymus Gland

Term
The Major function of the hematologic system is:
Definition

Carry O2 to cells

Remove Carbon Dioxide and Waste

Hormone Transport

Inflammatory/Immune response

Temperature Regulation

Acid-Base Balance

Fluid Electrolyte Balance

Maintaining blood coagulation

 

Term
Bone marrow is:
Definition

Inside of all bones

Spongy long center of bones

Accounts for 4-5%

Primary Function of Bone Marrow

Hematopoesis

Term
Red Marrow:
Definition

Carries out Hematopoiesis

Erythoid

Myeloid

Thrombocytes

Also one source of lymphocytes/macrophages

Ribs, Vertebrae, other flat bones

Term
Yellow Marrow
Definition
Red MArrow that has changed to fat
Term
Erythrocytes (RBC)
Definition
Carry O2
Term
Leukocytes (WBC)
Definition
Major role in defense against invading bacteria
Term
Thrombocytes
Definition
Platelets
Term
Hgb levels
Definition

< 12 LOW

 

>16 HIGH

increases viscosity (thickens blood)

Term
What does hypoxia stimulate in the hematologic system?
Definition
Kidney to release Erythropoieten to create more bone marrow stem cells
Term
Hemolysis
Definition

rupturing or destroying blood cells by liver or spleen through phagocytes

(average life span is 120 days)

 

What is not recycled is converted to bile and removed by liver.

 

Term
Premature hemolysis
Definition
allows excessive billirubin build up which causes jaundice
Term
Thrombopoeitin
Definition
Formed in bone marrow and stimulates platelet production.  Released from bone marrow to the spleen for 8 hours. Lives for about 10 days.
Term
Spleen
Definition

Largest Lymphatic Organ

Functions as filter system and reservoir for blood sysytem.

Phagocytosis

Term

Five Stages of hemostasis

which maintain steady state with relation to an injured vessel.  They prevent excessive bleeding or clotting.

Definition
  1. Vessel Spasm
  2. Formation of platelet
  3. Fibrin Clot
  4. Clot retraction
  5. Clot disolution
Term

Hematocrit (Hct)

% of packed cell volume of RBC in total blood volume

Definition

Females 38-47%

 

Men 40-54%

Term
RBC Norms
Definition
4.2 - 6.1
Term

MCV

Size of a single RBC

Definition
82-98
Term

MCH

Weight of Hgb within a single RBC

Definition
27-33
Term

MCHC

% of HgB within a RBC

Definition
32-36
Term
Iron
Definition
60-190
Term
TIBC
Definition
If it is high it can tell us it has space for more iron to bind
Term
Iron Deficiency Anemia 
Definition
Malabsorption can be due to gastrectomy
Term
S/S of Iron Deficiency Anemia
Definition

Stomatitis

 

Cold Intolerance

 

PICA

 

Chelosis

Term
Iron Deficiency Anemia in lab findings is both:
Definition

Microcytic and Hypochromic

 

TIBC high

Term
Iron replacement interventions for PO, IV, IM
Definition

PO liquid : dilute and use straw b/c it can stain teeth. Administer with OJ to help absorption.

 

IM : Z track

 

IV: Have Epi on hand and do small test dose

Term

Aplastic Anemia

 

Definition

Bone Marrow Fails and Is Replaced By Fat

 

MAy be secondary to chemicals or viruses

Term
Megaloblastic Anemias
Definition
B12 deficiency and/or  Folic Acid deficiency
Term
B12 Deficiency Anemia
Definition

Parasteshia

Decreased prioprioception

CNS damage

Beefy Red Tongue

 

Macrocytic

Increased MCV

Can eat cheese with this one

Term
Pernicious Anemia
Definition

lack of Intrinsic Factor in the gut.

 

s/s Sore beefy red tongue and diarrhea

 

Do schilling test

Term

Folic Acid Deficiency

Runs with undernourishment

Definition

Macrocytic

 

ETOH/Drug addictions

Older adults

TPN

 

 

Term
S/S with Folic Acid Anemia
Definition

Glossitis

Chelosis

Neural Tube Defect in Pregnancy

Dialysis Patients

 

NO NEUROLOGICAL SYMPTOMS

Term
Foods High in Folic Acid
Definition

Green Leafy Veg

Organ Meats

Wheat Germ

Eggs

Asparagus

Kidney Beans

 

Folic Acid Supplements 0.4 mg- 1 mg per day

Term
Hemolytic Anemia & Causes
Definition

Premature destruction of RBS due to Defects, sickle cells, Drugs, Chemicals, Toxin/Venoms (snakes, spiders), Bacterial Infections, Parasitic Infections

 

Trauma/ Burns

 

Medical Valve (damages RBC)

Term
Sickle Cell Anemia tested with HgB Electrophoreis
Definition

Bleeding into joints (immobilize)

Genetic Counseling a Must

Painful! Jaundice

 

Treat w/ oxygen and IV fluids

Possible Blood transfusion, Folic Acid

Pt.Ed: Early treatment for infections

Term
Thalasemia
Definition

Group of Inherited Disorders of HgB synthesis where an alpha or beta chain is missing or defective

 

Decreased HgB production

Fragile RBC's

 

Microcytic

Term
Thalasemia Minor
Definition

Bronze Coloring

 

Bone marrow hyperplasia

Term
Thalasemia Major tested with HgB electrophoresis
Definition

Jaundice

 

May lead to HF

 

Long Bone FX

 

Repeated blood transfusions cause deposits of iron in heart liver and pancreas and may lead to  organ failure.

Term

G6PD deficiency is a lack of an enzyme that catalyzes glycolosis which is the method used for cellular energy for RBC.

 

RBC's are destroyed 7-12 after stressor exposure

Definition

Hereditary disease affecting African Americans and Mediterranean Descent

x chromosome= mother to son and males>females

Common stressors:Fava Beans, Sulfa, Aspirin            Vitamin k Derivatives

s/s: Jaundice and HgB in urine

 

Term

Polycythema

Excess of RBC's 

Definition

 

Primary:Overproduction of RBC w/ unknown cause. Thrombis

Increased viscosity w/ ruddy complexion & painful itching on fingers and toes, enlarged spleen.

Secondary: same as primary w/o enlarged spleen and chronic hypoxia

Relative: Fluid Volume deficit so rehydrate

 

Term

Treatment of Primary and Secondary 

Polycythema

Definition

Smoking cessation

Periodic phlebotomy

 

PRIMARY Take hyroxurea-suppress bone marrow function

Aspirin a day to control thrombis

Antihistamine for puritis

Term
Thrombocytopenia
Definition

platelet count < 100,000

 

Normal is 150,000 to 400,000

 

usually bleeding of small vessels

Term
Immune Thrombocytopenic Pupura
Definition

Autoimmune disorder where spleen destroys platelets

Females>Males

Lupus inducing

Take immunosuppressant drugs ie Prednisone, Azathioprine, Cyclosporine

 

Splenectomy and Blood Transfusion

Term
Thrombotic Thrombocytopenic pupura
Definition

Rare- where thrombi can occlude arterioles and capillaries

petichiae, headaches, seizure, altered LOC

Term
Heparin Induced Thrombocytopenic
Definition

Abnormal response to heparin

Type I reacts directly w/ platelets and removed by phagocytosis

Type II More severe and some people form antibody to heparin.

 

Treatment d/c heparin

Term
Treatment Plan for Thrombocytopenic d/o
Definition

Avoid NSAIDS, Antibiotics (Penicillin and Sulfinamides), Heparin, Thiazide diuretics

 

THEY DESTROY PLATELETS

Term

Leukemia

Replacement of bone marrow by Immature WBC

Definition

Manifestations

Anemia

Bleeding Infection

Infiltration of all organs

Term
Leukemia Risk Factors
Definition

Male

Smoking 

Downs Syndrome

BENZENE AND RADIATION

HTLVI virus

Term
Acute Myeloblastic Leukemia
Definition

Hyperplasia  of Bone Marrow and Spleen manifested as decreased Neutrophils (recurrent severe infections) Decreased platelets, bone infections, Anemia

 

death is from Infection or hemmorhage

Term
Chronic Myeloblastic Leukemia
Definition

Uncontrolled proliferation of all bone marrow elements

 

Philadelphia chromosome

Males>females

Early asymptomatic

Aggressive phase=hypermetabolism

Term
Acute Lymphocytic Leukemia
Definition

Abnormal proliferation of lymphoblasts that are immature and non-functionable lymphocytes.

 

Most common in children and young adults

Rapid onset

Combo therapy=complete remission in 80-90%

Term
Chronic lymphocytic leukemia
Definition
Proliferation of B lymphocytes
Term
Care and Treatment of All Leukemias
Definition

Chemo

Radiation

Bone Marrow Transplant

Stem cell transplant

Term
Malignant Lymphoma
Definition

Malignancies of lymphoid tissue-proliferation of lymphocytes, histocytes,

 

Can be Hodgkins or Non-Hodgkins

Environmental factors like chemical, herbacide

Term
Hodgkins
Definition

Age 15-35 and >50   and  M>F

Spreads and has Reed Sternberg cells

Manifestations: commonly painless w/ enlarged nodes. Impaired immune response.

 

ONE OF MOST CURABLE CANCERS

 

Term
NON-HODGKINS
Definition

Affects older adults and M>F

Environmental and genetic factors

 

GI and CNS involvement

prognosis depends on cell type and grade of differentiation (Low is more curable)

Term
TO DX Lymphomas
Definition

CBC

Chest XRay

CT scan

PET Scan

Biopsy

Total Body Scans

Term

Hemophilia

 

Manifested by bleeding

Definition

Hereditary Disorder of clotting factors

Hemophilia B= Christmas Disease 

Need vit K to activate clotting

 

Treatment FFP or Synthetic Missing Factor

Hemophilia A (most common)

A/B x linked recessive

C = Male and Female

 

Term

Von Willebrand Disease

Hereditary Bleeding Disorder

Definition

Reduced Factor VIII

 

M=F

Bleeding is not usually severe

Treatment DDVAP synthetic

 

Term

DIC

Disseminated Intravascular Coagulation

Definition

Bleeding and Clotting Simultaneously until eventually clotting factors are exhausted causing excessive bleeding.

 

Life threatening: Treat w/ FFP and Heparin

Term

Multiple Myeloma

Radiation or oncogenic virus or Possibly genetic: African Americans

M>F and increases with age

Definition

Plasma cells multiply uncontrollably and infiltrate: bone marrow, lymph nodes, spleen, and tissues. Lg amounts of M Protein which damages kidney tubules and leads to pathologic FXPunch outs on bone xrays

S/S Bone pain, hypercalcemia, recurrent infections, M proteins in urine.

Term

Treatment of Multiple Myeloma

 

NO CURE ONLY TREATMENT

Definition
  • Chemo
  • Management of hypercalcemia- increase fluids to flush out.
  • Plasmapheresis to remove protein. Blood drawn out and spun to remove protein.
  • Supportive care to prevent fractures
Supporting users have an ad free experience!