title: Letter: Hypotension.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005221:Fatigue / Q000209:etiology; D005260:Female; D006801:Humans; D007022:Hypotension / Q000150:complications*; D007024:Hypotension, Orthostatic / Q000150:complications; D008297:Male; D010167:Pallor / Q000209:etiology