Case Study : A 72-year-old man developed chest pain whenever he was physically active.
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Pagana: Mosby’s Manual of Diagnostic and Laboratory Tests, 6th Edition
Iron-Deficiency Anemia
Case Study
A 72-year-old man developed chest pain whenever he was physically active. The pain ceased on
stopping his activity. He has no history of heart or lung disease. His physical examination was
normal except for notable pallor.
Studies Result
Electrocardiogram (EKG), p. 485 Ischemia noted in anterior leads
Chest x-ray study, p. 956 No active disease
Complete blood count (CBC), p.
156
Red blood cell (RBC) count, p.
396
2.1 million/mm (normal: 4.7–6.1 million/mm)
RBC indices, p. 399
Mean corpuscular volume
(MCV)
72 mm 3 (normal: 80–95 mm
3 )
Mean corpuscular hemoglobin
(MCH)
22 pg (normal: 27–31 pg)
Mean corpuscular hemoglobin
concentration (MCHC)
21 pg (normal: 27–31 pg)
Red blood cell distribution width
(RDW)
9% (normal: 11%–14.5%)
Hemoglobin (Hgb), p. 251 5.4 g/dL (normal: 14–18 g/dL)
Hematocrit (Hct), p. 248 18% (normal: 42%–52%)
White blood cell (WBC) count, p.
466
7800/mm 3 (normal: 4,500–10,000/mcL)
WBC differential count, p. 466 Normal differential
Platelet count (thrombocyte
count), p. 362
Within normal limits (WNL) (normal: 150,000–
400,000/mm 3 )
Half-life of RBC 26–30 days (normal)
Liver/spleen ratio, p. 750 1:1 (normal)
Spleen/pericardium ratio <2:1 (normal) Reticulocyte count, p. 407 3.0% (normal: 0.5%–2.0%) Haptoglobin, p. 245 122 mg/dL (normal: 100–150 mg/dL) Blood typing, p. 114 O+ Iron level studies, p. 287 Iron 42 (normal: 65–175 mcg/dL) Total iron-binding capacity (TIBC) 500 (normal: 250–420 mcg/dL) Transferrin (siderophilin) 200 mg/dL (normal: 215–365 mg/dL) Transferrin saturation 15% (normal: 20%–50%)