Study guide Anatomy-255.Exam (elaborations) BIOS-255 Anatomy & Physiology III (BIOS 255)

ARRHYTHMIAS- Abnormal heart beatTachycardia: Abnormally high HR (above 100 beats/min) SUPRAVENTRICLE -ATRIA-ventricle Bradycardia: Abnormally slow HR (below 50 beats/min) *Coronary artery disease (CAD): leading cause of death of men -Result of atherosclerotic plaques buildup. *Arteriosclerosis: Thickening arterial walls -loss elastic *Atherosclerosis: Form of arteriosclerosis- buildup of lesions within arterial walls-atherosclerotic plaques. *Coarctation the aorta: narrowing of a segment of aorta *Heart block- 3 phases AV block Atrial flutter: rapid atrial contractions w AV block *Fibrillation: rapid uncoordinated heartbeats *Ventricular premature contraction-ectopic focusmore excitable=occasional abnormal action potential Atrial fibrillation: cARRHYTHMIAS- Abnormal heart beat Congenital defect, coronary artery disease, myocardial infarction, hypertension, defective heart valves, rheumatic hd, hyperthyroidism, potass defARRHYTHMIAS- Abnormal heart beatTachycardia: Abnormally high HR (above 100 beats/min) SUPRAVENTRICLE -ATRIA-ventricle Bradycardia: Abnormally slow HR (below 50 beats/min) *Coronary artery disease (CAD): leading cause of death of men -Result of atherosclerotic plaques buildup. *Arteriosclerosis: Thickening arterial walls -loss elastic *Atherosclerosis: Form of arteriosclerosis- buildup of lesions within arterial walls-atherosclerotic plaques. *Coarctation the aorta: narrowing of a segment of aorta *Heart block- 3 phases AV block Atrial flutter: rapid atrial contractions w AV block *Fibrillation: rapid uncoordinated heartbeats *Ventricular premature contraction-ectopic focusmore excitable=occasional abnormal action potential Atrial fibrillation: cARRHYTHMIAS- Abnormal heart beat Congenital defect, coronary artery disease, myocardial infarction, hypertension, defective heart valves, rheumatic hd, hyperthyroidism, potass def