Cases from a busy nuclear cardiology laboratory
CASES WITH IMAGES
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A 46-year-old man with a history of coronary artery disease (CAD) status post drug-eluting stent placement 8 years prior, and heart failure with reduced left ventricular (LV) ejection fraction (EF) presented to the emergency room with shortness of breath, chest pain, and malaise of 1 month duration. Physical examination was normal with a heart rate of 87 beats per minute (bpm) and blood pressure of 129/83 mmHg. The chest x-ray showed no acute abnormality. The electrocardiogram (ECG) is shown below (Figure 1A). Laboratory studies were remarkable for an elevated hemoglobin (17.3gm/dl), normal BNP (41.0 pg/ml), and undetectable Troponin-I (<0.030 ng/ml).
Dr. Hage reports research grant support from Astellas Pharma and GE Healthcare. Jeremy S. White and Ami E. Iskandrian have no conflict of interest.
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