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阵发性心动过速是内科的一种常见急症。据医学上统计,大多数均属于室上性心动过速。室上性心动过速可由于各种原因引起的心脏病等疾病引发;而更多的人却并无心脏病,他们在体位突然改变猛然用力,饱餐后或情绪激动都可突然发病。室上性心动过速的特点是心动过速突然发作和突然中止。发作时心跳每分钟一般在160～220次,但很有规律。患者感到心慌不安、恐惧、周身不适,严重时血压会下降可发生昏厥。发作的时间短者数秒钟,长者持续数小时甚至数天后突然转为正常心律。本病并不常发作,也有的患者发作较频繁,甚至一天可发多次。由于本病系突然发作,常需去医院急诊。但患者不妨先采用以下措施,可能使发作突然停止。一、屏气法。在深吸一口气后屏住气,使呼吸暂停数秒,再用力呼气。
Paroxysmal tachycardia is a common medical emergency. According to medical statistics, most are supraventricular tachycardia. Supraventricular tachycardia can be caused by a variety of causes such as heart disease and other diseases; and more people without heart disease, they suddenly change position suddenly force, after a meal or emotional can suddenly onset. Supraventricular tachycardia is characterized by a sudden onset and abrupt termination of tachycardia. Attack heartbeat is generally 160 to 220 beats per minute, but very regular. Patients feel flustered, fear, whole body discomfort, severe blood pressure can occur syncope. A short period of time for a few seconds, the elderly continued for several hours or even suddenly changed to normal heart rate after a few days. The disease does not often attack, and some patients with seizures more frequently, or even multiple times a day. Because of the sudden onset of the disease, often go to the hospital emergency room. However, patients may wish to adopt the following measures may cause the sudden stop. First, hold the air method. Hold your breath after you take a deep breath, pause for a few seconds, and then exhale hard.