It is recorded in Compendium of Materia Medica that bear bile can treat true heartache. What does real heartache mean?

It is recorded in Compendium of Materia Medica that bear bile can treat true heartache, which refers to acute myocardial infarction. True heartache, called acute myocardial infarction in western medicine, is a serious disease with the further development of chest obstruction. It is characterized by severe and persistent pain behind the sternum, accompanied by palpitation, edema, cold limbs, shortness of breath, sweating, pallor and other symptoms, and even life-threatening. It is recorded in Compendium of Materia Medica that bear bile can treat this disease.