Effect of posture on blood pressure in the elderly.
D000367:Age Factors; D000368:Aged; D000740:Anemia / Q000150:complications; D000842:Ankle; D001927:Brain Diseases / Q000150:complications; D005260:Female; D006331:Heart Diseases / Q000150:complications; D006801:Humans; D007010:Hyponatremia / Q000150:complications; D007024:Hypotension, Orthostatic / Q000139:chemically induced / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D011187:Posture; D012021:Reflex, Abnormal / Q000150:complications; D012737:Sex Factors; D014552:Urinary Tract Infections / Q000150:complications; D014648:Varicose Veins / Q000150:complications