Objective: We present a soldier with a pulmonary embolism presenting with syncope during an ischemic stress test, subsequently found to have normal coronary arteries (CA).
Case: A 49-year-old soldier had 3 months history of exertional chest pain, shortness of breath, syncope, and malaise. He passed out during a stress echocardiogram and had a positive troponin level. A subsequent cardiac catheterization revealed normal CA but with mild hypokinesis of the distal anterior wall with a left ventricular ejection fraction of 44%. A subsequent nuclear ventilation-perfusion scan was consistent with bilateral pulmonary embolism.
Results: A Doppler ultrasound revealed thrombosis in the distal superficial femoral vein of the left leg. Hypercoagulable state markers were normal.
Conclusion: This case demonstrates that a pulmonary embolism could express itself as an ST depression myocardial ischemic event perhaps by affecting the coronary flow to the left anterior descending CA.
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