Results of appropriate testing return and are shown:
Serum:
| Test (units) |
Result |
Results (SI Units) |
| BNP level |
465 pg/mL |
465 ng/L |
| Troponin |
0.05 ng/mL |
0.05 mcg/L |
CBC:
| Test (units) |
Result |
Results (SI Units) |
| Hemoglobin |
9 g/dL |
90 g/L |
| WBC count |
5,300/mcL |
5.3 X 109 cells/L |
| Platelet count |
220,000/mcL |
220 X 109 cells/L |
Chest x-ray: Normal heart size, mild costophrenic angle blunting, lung parenchyma is clear.
Transthoracic echocardiography: Normal left ventricular size. Left ventricular ejection fraction 60%. Normal right ventricular size and function. No regional wall motion abnormalities. Moderate concentric left ventricular hypertrophy. Normal diastolic function. Severe calcific aortic stenosis (mean gradient 45 mm Hg, AVA 0.85 cm2).