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