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Located between the RA and the RV Tricuspid Valve Located between the RV and pulmonary trunk Pulmonary Valve Located between the LA and the LV Mitral Valve Located between the LV and the aorta Aortic Valve Why is the left side of the heart thicker than the right? It has to pump blood all over the body not just to the lungs Name the 3 layers of heart memebranes Endocardium, myocardium, pericardium Vascul/o Heart When smooth muscle contracts what does it cause? Vasoconstriction When smooth muscle dilates what does it cause? Vasodilation What does the SA node do? Initiates the electrical impulse that makes your heart beat Systole Contraction Diastole Resting period Word meaning within the ventricle Intraventricular First heart sound made by the closing of the valves and abbreviated as S1 Lubb The serous membrane that forms a sac around the heart Pericardial Sac Angina Pectoris Acute pain due to ischemia Cardiomegaly Enlargement of the heart Cardiomyopathy disease of the heart muscle that causes heart enlargement and heart failure Myocardial Infarction death of myocardial cells due to severe ischemia, the flow of oxygenated blood in a coronary artery is cut off due to a blood clot or atherosclerosis Congestive heart failure (CHF) Inability of the heart to pump insufficient amounts of blood, caused by coronary artery disease or hypertension Endocarditis inflammation or infection of the endometrium lining in a heart valve/ hardening of the artery Murmur abnormal heart sound created as blood leaks through a defective heart valve Pericarditis Inflammation or infection of the pericardial sac, excessive accumulation of pericardial fluid Rheumatic Heart Disease autoimmune response to untreated strep Bradycardia Slower heart rate Fibrilation very fast, uncoordinated quivery of myocardium Flutter Very fast but regular rhythm Heart Block electrical impulses cannot travel normally from the SA node to the purkinje fibers Tachycardia abnormally fast heart rate Extrasystole one or more extra contractions within a cardiac cycle Sick sinus syndrome bradycardia alternates with tachycardia, occurs bc the SA node and an ectopic site take turns being the heart's pacemaker Asystole Cardiac arrest Palpitation uncomfortable sensation felt in the chest during a premature contraction of the heart Aneurysm area of dilation and weakness in the wall of an artery Arteriosclerosis progressive narrowing and hardening of the arteries Coronary artery disease (CAD) arteriosclerosis of coronary arteries Hyperlipidemia elevated levels of lipids in the blood HTN Hypertension/ High blood pressure Hypotension Low blood pressure Peripheral artery disease (PAD) atherosclerosis of the lower extremities Phlebitis Inflammation of the veins