Figure 4From: Life-threatening ventricular arrhythmia due to silent coronary artery spasm: usefulness of I-123 metaiodobenzylguanidine scintigraphy for detecting coronary artery spasm in the era of automated external defibrillators: a case report Coronary angiogram does not show any severe organic stenosis in either the right or left coronary artery. Back to article page