What are the characteristics of typical angina

Angina pectoris due to coronary insufficiency, cardiac lead to a sharp, temporary ischemia and hypoxia caused by the clinical syndrome. Angina stated that the phrase has only limited to representatives from myocardial ischemia pain caused by the performance, but also by myocardial ischemia caused by the many other symptoms, such as extreme fatigue, chest discomfort and breathing difficulty was the same as angina symptoms. The characteristics of typical angina attack include the following five areas: (1) site: the typical angina sternum site in the middle or upper body, the pain often is not very limited scope, but some fist and palm-sized, heart can be affected before, or even the Trans-front, the boundaries are not very clear. Regular radiation to the left shoulder, left arm medial ring finger and little finger up. Upward or radiotherapy to neck, pharynx, the mandibular teeth, cheek, occasionally in the head; downward supremacy abdominal radiotherapy, radiotherapy to the minority can legs and toes; backward radiation to the left and right scapula radiation to the right shoulder, right arm, right hand that even the medial, but relatively rare. Generally, the pain of each attack is relatively fixed positions. (2) nature: for the typical squeeze-like symptoms like pain or tightening, or angina in patients with around 60%, accompanied anxiety or fear of dying. Not the typical symptoms of pain is described as burning kind , etc., but rarely described as lancinating, knife cuts - like pain. Thoracic hold v. attack, chest tightness's not uncommon. Angina attack, patients often do not consciously stop the original activities until symptoms ease. (3) incentives: angina pectoris the most common predisposing factor is the emotional or physical activity (such as anxiety, anger, over-excited, etc.). In addition, a meal, constipation, cold, smoking, tachycardia or slow, excessively high or low blood pressure, shock, etc. can also be evoked. The pain occurred in labor or exciting time, not in one day or after a while exertion. Typical angina often occurred under similar conditions, but sometimes the same labor only in the morning rather than in the afternoon caused angina, suggesting a lower pain threshold and the morning. Some angina often occurred on the night of sleep, morning or daytime supine state, that is, supine angina. (4) Duration: angina attack was paroxysmal pain gradually increased after a regular session in 3 to 5 minutes gradually disappear, rarely more than 15 minutes, as more than 15 minutes should consider the possibility of acute myocardial infarction. (5) ease the way: in general cessation of the activities of the original evoked after symptoms can be alleviated, sublingual nitroglycerin can in three minutes of the mitigation. In deep sleep in the supine angina, for immediate or stand before gradually easing.