in 10 cases of prinzmetal 's angina in which episodes of myocardial ischemia were easily and reproducibly induced by hyperventilation , this test was performed 111 times , 41 times under control conditions and 70 times during treatment with one or more of the following drugs : phentolamine , isosorbide dinitrate , propranolol , verapamil , nifedipine and amiodarone .
C0002963
prinzmetal 's angina
C0042523
verapamil