mature gray haired male patient wearing white t-shirt and jeans using modern tonometer at home, making medicine self checkup man

adult arm arterial blood cardiac cardiovascular care check checkup device diagnosis disease equipment examination gray haired health healthcare heart high home hypertension hypotension instrument jeans living making male man mature measure measurement measuring medical medicine modern monitoring patient pressure pulse room self sitting sofa sphygmomanometer stethoscope symptom t-shirt test tonometer tool treatment wearing white