Cardiac blood insufficiency (insufficient blood in the heart) and myocardial ischemia are not the same thing. Cardiac blood insufficiency is a concept in traditional Chinese medicine, and myocardial ischemia is a concept in western medicine. 1. Insufficient blood in the heart: a concept in Chinese medicine, mostly due to chronic illness and weakness, insufficient blood biochemistry; or long-term chronic blood loss; or due to overwork, resulting in depletion of the heart and blood. The main manifestations are palpitations (rapid heartbeat, often accompanied by panic), anxiety (violent heartbeat, panic and restlessness), dizziness and dizziness, less colorful face, pale lips and nails, pale tongue and weak pulse. 2. Myocardial ischemia: is the concept of western medicine, due to coronary artery stenosis, coronary artery spasm, coronary artery embolism, etc., caused by the coronary artery to the myocardium of the insufficient supply of blood and oxygen pathophysiological state. The main manifestations of arrhythmia, chest pain, dyspnea and so on. If you have the above symptoms, it is recommended to consult a doctor in time and under the guidance of a doctor. In addition, the identification of cardiac insufficiency and myocardial ischemia should consult a specialized doctor.