Episodic migraine associated with postural orthostatic tachycardia syndrome and vasovagal syncope: migraine triggers neuromediated syncope.
Piovesan EJ, Sobreira CF, Scola RH, Lorenzoni PJ, Lange MC, Werneck LC, Smith D, Silberstein S. Episodic migraine associated with postural orthostatic tachycardia syndrome and vasovagal syncope: migraine triggers neuromediated syncope. Arq Neuropsiquiatr. 2008 Mar; 66(1):77-9.