Matching Pairs NS3350 cardiovascularOnline version NS3350 Physiology matching - Cardiovacular by Big foosball 1 Decreased baroreceptor sensitivity Thickening of SA node Decreased number of pacemaker cells Increased time of AV node conduction 2 Myocardial hypertrophy 3 Heart valve fibrosis and thickening 4 Increased lipid content in artery walls 5 Loss of vasomotor tone 6 Progressive thickening of arterial walls Haemodynamic alterations: Reduced cardiac output Increased BP Increased peripheral vascular resistance Decreased compliance of left ventricle Increased incidence of murmurs Extra heart sounds S3 and S4 * Decreased ability to increase heart rate or BP in response to stressors Increased prevalence of arrhythmias Predisposed to orthostatic hypotension** Increased incidence of atherosclerotic events Prolonged PR interval