Prinzmetal's angina
variant angina
vasospastic angina

Variant angina associated with bitter orange in a dietary supplement.

Variant angina - it is effective owing to its direct effects on coronary dilation.

Elevation of plasma histamine concentration in the coronary circulation in patients with variant angina.

The impaired fibrinolysis triggers thrombus formation, which also results in coronary vasospasm in variant angina.

Diltiazem is used to treat variant angina (Prinzmetal's angina), either naturally occurring or drug-induced and stable angina.

Tryptase levels are elevated during spontaneous ischemic episodes in unstable angina but not after ergonovine test in variant angina.

Prinzmetal angina, also known as variant angina or angina inversa, is a syndrome typically consisting of angina (cardiac chest pain) at rest that occurs in cycles.