【摘要】 体位性心动过速综合征为一种直立不耐受伴心动过速的疾病。发病机制可能与中心低血容量及自主神经功能障碍有关。此外,血管活性介质(组织胺)释量增加以及肌泵功能缺陷亦起有重要作用。按体位性心动过速综合征亚型实施个体化给药方案,可获较好的疗效。更多还原

【Abstract】 Postural tachycardia syndrome(POTS)is a disorder of patients with orthostatic intolerance and excessive tachycardia.The possibility exists that POTS result from central hypovolemia and autonomic dysfunction.In addition,increased release of vasoactive mediators(histamine)and defect of muscle pump may play a key role in this process.Effective treatment is based upon subtype but must be individualized to the needs of each patient.更多还原