Angina Pectoris, also known as prinzmetal's variant angina, is related to intermediate coronary syndrome and coronary stenosis, and has symptoms including other and unspecified angina pectoris An important gene associated with Angina Pectoris is EDN1 (Endothelin 1), and among its related pathways/superpathways are Signal Transduction and Potassium Channels. The drugs Udenafil and Oxymetazoline have been mentioned in the context of this disorder. Affiliated tissues include heart and smooth muscle, and related phenotypes are Negative genetic interaction between PTEN-/- and PTEN+/+ and muscle