The primary mechanism of beneficial effect of glyceryl
trinitrate in classical angina pectoris is:
A. Increase in total coronary blood flow
B. Redistribution of coronary blood flow
C. Reduction of cardiac preload
D. Reduction of cardiac afterload
trinitrate in classical angina pectoris is:
A. Increase in total coronary blood flow
B. Redistribution of coronary blood flow
C. Reduction of cardiac preload
D. Reduction of cardiac afterload