Hypertension Quiz: Ace Your Exams
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A 60-year-old man comes to the physician office due decreased vision, progressive fatigue and swelling around the ankles for the past 4 weeks. Medical history is significant for myocardial infarction 2 years ago, diabetes mellitus type 2 and hypertension. Current medications include aspirin, captopril, metformin and lovastatin. Temperature is 36.4°C (97.5°F), pulse is 80/min, and blood pressure is 144/90 mmHg. Physical examination shows 2+ edema around the ankles bilaterally. Fundoscopic examination reveals retinal arteriolar narrowing, arteriovenous nicking, and flame-shaped hemorrhages. Laboratories studies are shown:
Which of the following is likely responsible for this patient’s eye examination findings?
| Laboratory value | Result |
| Hemoglobin | 10.5 mg/dL (reference range: 13.5-17.5 mg/dL) |
| Leukocytes | 7000/mm3 (reference range: 4,500-11,000/mm3) |
| Platelets | 200,000/mm3 (reference range: 150,000-400,000/mm3) |
| Serum | |
| Sodium | 136 mEq/L (reference range: 136-146 mEq/L) |
| Potassium | 5.3 mEq/L (reference range: 3.5-5 mEq/L) |
| Chloride | 101 mEq/L (reference range: 95-105 mEq/L) |
| Creatinine | 3.9 mg/dL (reference range: 0.6-1.2 mg/dL) |
| Calcium | 8.5 mg/dL (reference range: 8.4-10.2 mg/dL) |
| Albumin | 3.2 g/dL (reference range: 3.5-5.5 g/dL) |
| BUN | 65 mg/dL (reference range: 7-18 mg/dL) |
| HbA1c | 5.8% (reference range: ≤6%) |
| Urine | |
| Erythrocytes | 0/hpf (reference range: 0-3/hpf) |
| Leukocytes | 2/hpf (reference range: 0-2/hpf) |
| Protein | 3+ (reference range: none) |
| Glucose | 1+ (reference range: none) |
| Sediment | None (reference range: none) |
Which of the following is likely responsible for this patient’s eye examination findings?
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