Vasovagal carotid sinus hypersensitivity Orthostatic hypotension Dysautonomic Postural orthostatic tachycardia syndrome Situational, including micturition, cough, and others.

• 血管迷走神经性。颈动脉窦过敏。直立性低血压。自主神经功能紊乱。体位性心动过速综合症。环境因素,包括排尿、咳嗽,其他。