Passman R, Kadish A
Departments of Medicine and Preventive Medicine, Cardiac Electrophysiology, Northwestern University Medical School, Chicago, Illinois, USA.
Med Clin North Am. 2001 Mar;85(2):321-41. doi: 10.1016/s0025-7125(05)70318-7.
PMVT is an uncommon arrhythmia with multiple causes. Classification and management are based on the Q-T interval. Torsades de pointes denotes PMVT in the setting of a prolonged Q-T interval and usually is iatrogenic in origin, although congenital LQTS is being recognized more frequently. Therapy of PMVT focuses on the establishment of hemodynamic stability, the removal or correction of precipitants, and the acute and long-term inhibition of subsequent episodes. Evaluation of these patients should include a thorough history and physical examination and an assessment for underlying heart disease and known [figure: see text] eliciting factors. Long-term management must be tailored to the individual and the underlying cause and should be conducted by an experienced cardiac electrophysiologist.
多形性室性心动过速（PMVT）是一种病因多样的罕见心律失常。其分类和管理基于Q-T间期。尖端扭转型室速指的是在Q-T间期延长情况下的PMVT，通常起源于医源性因素，尽管先天性长Q-T综合征（LQTS）的认识越来越普遍。PMVT的治疗重点在于建立血流动力学稳定性、消除或纠正诱发因素以及急性和长期抑制后续发作。对这些患者的评估应包括详细的病史和体格检查，以及对潜在心脏病和已知诱发因素的评估。长期管理必须根据个体情况和潜在病因进行调整，应由经验丰富的心脏电生理学家进行。
