[Peculiarities of electrocardiographic changes in disorders of coronary circulation in middle-aged and aged patients].
D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D003097:Collateral Circulation; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D008875:Middle Aged
Osobennosti élektrokardiograficheskikh izmeneniĭ pri narushenii venechnogo krovoobrashcheniia u bol'nykh pozhilogo i starcheskogo vozrasta.