Exam 4: Assessment and care of patients with hematologic problems (10 questions) Flashcards
Hematologic system physical assessment
- Pain
- Cardiovascular changes SOB, weakness, fatigue Heart sounds Cap refill Pulses
- Skin changes
pallor or cyanosis
jaundice - Renal and urinary
- Musculoskeletal
- Abdominal
- Central nervous system
- Psychosocial
RBC abnormal significance
Elevated > 5.4 million (females) & > 6.1 million (males)
- erythrocytosis, polycythemia vera, severe dehydration
Decreased < 4.2 million (female) & < 4.7 (males)
- anemia hemorrhage, kidney disease
WBC abnormal significance
Elevated > 10,000/mm3
- Infection, inflammation
Decreased < 5,000/mm3
- Immunosuppression, autoimmune disease
MCV abnormal significance
Elevated > 95 fL
- macrocytic (large) RBCs, megaloblastic anemia
Decreased < 80 fL
- microcytic (small) RBCs, iron deficiency anemia
MCH abnormal significance
Elevated > 31 pg/cell
- macrocytic (large) RBCs, megaloblastic anemia
Decreased < 27 pg/cell
- microcytic (small) RBCs, iron deficiency anemia
TIBC abnormal significance
Elevated > 460 mcg/dL
- Iron deficiency anemia, polycythemia vera
Decreased < 250 mcg/dL
- malnutrition, cirrhosis, pernicious anemia
Iron abnormal significance
Elevated > 160 mcg/dL (female) & > 180 mcg/dL (male)
- Hemochromatosis, iron excess, liver disorder, or lead toxicity
Decreased < 60 mcg/dL (females) & <80 mcg/dL (males)
- iron deficiency anemia, chronic blood loss, inadequate dietary intake of iron
Platelets abnormal significance
Elevated > 400,000 mm3
- malignancy, polycythemia vera, rheumatoid arthritis
Decreased < 150,000 mm3
- enlarged spleen, hemorrhage, leukemia
HGB abnormal significance
Elevated > 16 g/dL (females) & > 18 g/dL (males)
- erythrocytosis, COPD, severe dehydration
Decreased < 12 g/dL (female) & < 14 g/dL (male)
- anemia, hemorrhage, kidney disease
HCT abnormal significance
Elevated > 47% (female) & > 52% (male)
- erythrocytosis, COPD, severe dehydration
Decreased < 37% (female) & 42% (male)
- anemia, hemorrhage, kidney disease
APTT abnormal significance
Elevated > 40 seconds
- vitamin K deficiency, disseminated intravascular coagulation (DIC), liver disease, heparin administration
Decreased < 30 seconds
- extensive cancer
PT abnormal significance
Elevated > 12.5 seconds
- liver disease, warfarin therapy, disseminated intravascular coagulation (DIC)
Decreased < 11 seconds
- vitamin K excess, pulmonary embolus, thrombophlebitits
INR abnormal significance
Elevated > 1.1
- warfarin therapy
Decreased < 0.8
- cancer disorders
D-Dimer abnormal significance
Positive result > 0.4 mcg/L
- disseminated intravascular coagulation (DIC), malignancy
Negative result
- can rule out pulmonary embolus or deep vein thrmbosis
Fibrinogen abnormal significance
Elevated > 400 mg/dL
- acute inflammation, acute infection, heart disease
Decreased < 200 mg/dL
- liver disease, advanced cancer, malnutrition