PHYSIOLGICAL CHANGES DURING AGIN - HEART
DECREASE INTRINSIC HEART RATE AND MAXMAL HEART RATE
BLUNTED BAROFLEX(LESS INCREASE I HEART RATE IN RESPONSE TO DECREASE IN bp)
DECREASE IN DIASTOLC RELAXATION
INCREASE IN ATRIOVENTRICULAR CONDUCTION TIME
INCREASE IN ATRIAL AND VENTRICULAR ATROPY