Prinzmetal angina is -
Ref: R. Alagappan Manual of Practical Medicine. 4th Edition pg no:79 Prinzmetal Angina Prinzmetal angina is a type of angina pectoris, which typically occurs during rest and may recur in a nightly cyclic pattern. ST-segment elevation or depression on the electrocardiogram and coronary aery spasm have been documented during an attack.
Angina after extreme exeion
Caused due to atherosclerotic blockade
Caused due to spasm of aery
Calcium channel blockers not effective
C.V.S