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阵发性室上性心动过速(PSVT)的紧急处理和长期预防治疗,决定于心动过速发生的机理。PSVT产生机理可由ECG和对颈动脉窦压迫(CSM)反应提供一些线索。在许多病例,用创伤性电生理研究来确定心动过速的机理仍是必要的。
Emergency treatment and long-term prophylaxis of paroxysmal supraventricular tachycardia (PSVT) depend on the mechanism of tachycardia. The mechanism of PSVT production may provide some clues as to ECG and response to carotid sinus pressure (CSM). In many cases, the use of traumatic electrophysiological studies to determine the mechanism of tachycardia is still necessary.