Patient History
Patient is a 58-year-old male who presented for pre-operative clearance with multiple risk factors including abnormal EKG, dyspnea, coronary atherosclerosis of native coronary artery, malaise and fatigue, unspecified peripheral vascular disease, and unspecified hyperlipidemia. Past medical history includes hypertension, elevated lipids, PTCA or stent, congestive heart failure and smoker.
Body Habitus
Height: 5’10”
Weight: 266lbs
BMI: 38 Kg/m2
SPECT Images
PET Images
| Protocol Characteristics | ||
| Protocol | SPECT | PET |
| Mode of Stress | Treadmill | Lexiscan |
| Clinical Response | Non-ischemic | Non-ischemic |
| Blood Pressure Response | Normal | Normal |
| ECG Response | Negative | Negative |
| Radiopharmaceutical | Tc-99m Tetrofosmin | Rubidium-82 |
| Rest/Stress Dose | 10mCi/30mCi | 52.4mCi/52.2mCi |
| Gated | Yes | Yes |
Findings
Patient is read as equivocal on SPECT and positive with cardiac PET image. Subsequent imaging was equivocal. PET scan shows a moderate reversible defect in the mid-inferior wall suggestive of ischemia.
