冠心病心绞痛是十分常见的疾病，目前抗心绞痛药物层出不穷，多数有较好的疗效，有的可预防发作，有的在发作时含服可立竿见影迅速奏效。然而，心绞痛的发作常常十分突然，有时发作时恰好手头无药，或药物久藏已失效，此时家属、亲友及周围人常会手足无措。这时如果有人能掌握 Coronary heart disease angina is a very common disease, the current anti-anginal drugs after another, most have a good effect, and some can prevent seizures, and some in the attack when the service can be immediate and immediate effect. However, the onset of angina is often very sudden, sometimes at the time of the attack happens to be no medicine at hand, or drug long possession has lapsed, when family members, relatives and friends and the surrounding people often know what to do. At this time if someone can grasp