Study Guide for Final Exam
Chapter 42 Care of Patients with Hematologic Problems
1. Identify the etiologies and clinical manifestations common to all types of anemia. (See Table 42-1 p 870 and Chart 42-1 p 871)
Sickle cell disease: autosomal recessive inheritance of two defective gene alleles for hemoglobin synthesis
Glucose-6-phosphate dehydrogenase (G6PD) deficiency anemia: X-linked recessive deficiency of enzyme G6PD
Autoimmune hemolytic anemia: abnormal immune function in which a person’s immune reactive cells fail to recognize his or her own red blood cells as self cells
Iron deficiency anemia: Inadequate iron intake caused by: iron deficient diet, chronic alcoholism, malabsorption syndromes and partial gastrecromy. Rapid metabolic (anabolic) activity caused by: pregnancy, adolescence and infection
Vitamine B12 deficiency anemia: dietary deficiency, failure to absorb vitamin b12 from intestinal tract as a result of: partial gastrectomy, pernicious anemia, malabsorption syndromes
Folic acide deficiency anemia: dietary deficiency, malabsorption sndromes Drugs: oral contraceptives, anticonvulsants, methotrexate
Aplastic anemia: exposure to myelotoxic agents: radiation, benzene, chloramphenicol, alkylating agents, antimetabolites, sulfonamides and insecticides. Viral infection (unproven): Epstein-Barr virus, hepatitis B and cytomegalovirus.
-pallor, especially of the ears, the nail beds, the palmar creases, the conjunctivae, and around the
- Cool to the touch
- Intolerance of cold temperatures
- Nails become brittle and may lose the normal convex shape; over time, mails become concave and figures assume clublike appearance.
- Tachycardia at basal activity levels, increasing with activity and during and immediately after meals
- Murmurs and gallops heard on auscultation when... [continues]
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