室上性心动过速的英文：
supraventricular tachycardia

The patient has dyspnea, tachycardia, and cyanosis
病人呼吸困难，心动过数及发绀。

He was comatose and had a severe fever and tachycardia.
他处于昏迷状态，伴高热和心动过速。

Excessive sympathetic drive is by far the most common cause of sinus tachycardia
过份的交感冲动是目前窦性心动过速最常见的原因。

Tachycardia： Heart rate over 100 (as high as 240) beats per minute.
心搏过速:心搏过速指心搏速率每分钟超过100次(最高可达240次)的情况。

Tachycardia may result from pain, apprehension, hypoventilation, or hypovolemia.
心动过速可由于疼痛、恐惧、通气不足或低血容量引起。