What is the cause of weakness and chest pain?

Upstairs weakness chest pain may be coronary heart disease, heart failure, anemia, etc., the treatment should be clearly diagnosed, symptomatic treatment.
1. Coronary heart disease: patients with stenosis of the coronary arteries, the symptoms of weakness and chest pain after going upstairs, can be relieved after rest, to improve the coronary angiography, if necessary, to give aspirin, isosorbide nitrate and other drug therapy.
2. Heart failure: heart failure will appear myocardial contractility decline, walking up the stairs will appear the symptoms of weakness chest pain, treatment to reduce the cardiac load is the main, if necessary, to understand whether there is a narrowing of the coronary arteries.
3. Anemia: patients due to low blood oxygen content, patients can also appear myocardial ischemia when walking up the stairs, manifested as symptoms of cardiothoracic pain, treatment should pay attention to blood replenishment and to clarify the cause of the disease.
Weakness after going upstairs, cardiothoracic tightness and pain should be timely to the hospital, to clarify the specific diagnosis, under the guidance of the doctor to give treatment.