Figure 1. Study flow-chart. CCTA: coronary computed tomography angiography. Medications (n=33): propranolol (n=23), primidone (n=2), carbamazepine (n=2), lithium (n=2), amiodarone (n=1), furosemide (n=1), levodopa (n=1), and valproic acid (n=1); phenytoin, carbidopa, metoclopramide, heparin, haloperidol, interferon (n=0).