Ma'anar ƙamus na ciwon zuciya shine kamar haka:Myocardial infarct, wanda kuma aka sani da ciwon zuciya, wani mummunan yanayin rashin lafiya ne wanda ke faruwa lokacin da jini ya toshe zuwa wani sashe na zuciya. yawanci ta hanyar gudan jini. Wannan na iya haifar da lalacewa ga tsokar zuciya, ko myocardium, kuma zai iya haifar da ciwon kirji, ƙarancin numfashi, da sauran alamomi. A lokuta masu tsanani, ciwon zuciya na zuciya zai iya haifar da lalacewa ta dindindin ga tsokar zuciya, ko ma mutuwa. Jiyya yawanci ya ƙunshi magunguna don rage haɗarin ƙarin ɗigon jini, kuma a wasu lokuta, hanyoyin kamar angioplasty ko ta hanyar tiyata don dawo da kwararar jini zuwa yankin da abin ya shafa na zuciya.