Whether myocardial ischemia can take quick-acting heart pills, combined with the patient’s clinical situation to determine the specific, as follows: First, not recommended to take quick-acting heart pills, this situation is mainly seen in young women, do electrocardiogram suggests myocardial ischemia but the patient has no symptoms, routine examination of cardiac ultrasound, troponin, and even coronary CTA are normal, may be related to stay up late, anxiety, emotions and some other factors. In this case, it is not recommended to take quick-acting heart pills. Second, you can take quick-acting heart pills, mainly in patients with severe coronary heart disease, when the symptoms of chest pain, chest tightness, electrocardiogram performance of myocardial ischemia. When the symptoms disappear, the myocardial ischemia also disappears. In this case, it indicates that the patient with coronary heart disease has serious myocardial ischemia, so he can take quick-acting heart pills to improve the insufficient blood supply to the heart, and if the effect is not good, he can do coronary angiography for further treatment.