A particular kind of syncope.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001794:Blood Pressure; D004326:Drinking; D004435:Eating; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013575:Syncope / Q000145:classification*