Treatment of all forms of episodic cardiac pain (arrestation of angina pectoris attacks).
As a prophylactic measure immediately prior to physical exertion or other situations known from experience to be capable of triggering episodic cardiac pain (prophylaxis of angina pectoris).
Acute cardiac infarction.
Acute left-heart failure (acute myocardial insufficiency, with acutely impaired left ventricular function).
Catheter-induced coronary spasms during coronary angiography.