First, some outbreaking location with unstable ache is generally not angina pectoris. Angina pectoris mainly occur behind upper section as well as center sectionof corpus sterni. Sometimes it crosses protothorax or radiate to left shoulder, left arm inside, the ring finger, little finger, and the neck, throat, the lower jaw.

Second, the angina pectoris does not feel like the sharp hurt from the acupuncture or knife prick, but normally demonstration as feelings of oppression, stifling or the constriction sense, also burning feeling. When it outbreak, the patient always stops the activity he is doing unconsciously,  until the symptom alleviates.

Third, on the view of the cause, the angina pectoris will not occur after the fatigue, instead it is during labor force or excited moment. It is frequently stimulated by the physical labor or the mood, for instance, anger, anxiety, overexcitation, moreover, satiety, cold, smoking, the tachycardia, the shock and so on may also induce the angina pectoris.

Fourth, comparing with the other kind of chest pain, the angina pectoris duration is not long. It often gradually aggravates after the ache comes, then vanishes gradually in 3 to 5 minutes. Besides, the ache will alleviate immediately after induced symptom stopps. It can also enable the ache alleviation after taking nitroglycerin in the hypoglossis in several minutes.

The above mentioned is the typical symptoms of stable angina pectoris, but the unstable angina pectoris is more serious than the stable one. Its ache lasting time may amount to 30 minutes; ache aggravates. Patients in the clam situation also possibly occurs. It cannot alleviate completely after taking nitroglycerin in the hypoglossis.

How to identify genuine and fake angina pectoris edited by Heart Problems, all rights reserved, Do not copy or revise without our permission.