terminology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| heart | cardi/o coron/o
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| top chamber | atrium atri/o
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| lower chamber | ventricle ventricul/o
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| dividing wall | septum sept/o
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| tip or point | apex apic/o
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| four valves of the heart | RA into tricuspid valve, RV into pulmonary valve, LA into mitral valve, LV into aortic valve
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| right side of heart | blue blood, right atrium thru tricuspid valve into right ventricle, to lungs thru pulmonary valve.
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| left side of heart | red blood - lungs back into heart, left atrium thru mitral valve, to body thru aortic valve
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| interventricular septum | muscle between two sides of heart
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| myocardium | muscular layer of the heart
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| pericardium | outermost layer surrounds the heart - membrane
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| endocardium | innermost layer of cells that line the atria, ventricles, and heart valves
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| mediastinum | heart, lungs, great vessels, thymus, trachea and esophagus
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| arteries | arteri/o elastic, pulse blood away from heart, 'red'
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| veins | ven/o valves, blood back to heart, 'blue'
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| foramen ovale | small opening in septum between atria (in vitro) allowing oxygenated blood to pass thru and directly out
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| ductus arteriosus | connecting blood vessel between pulmonary trunk and aorta (in vitro)
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| SA node "pacemaker" | (sinoatrial)initiates electrical impulse that begins heartbeat causes both artia to contract simultaneously
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| AV node | (atrioventricular) between SA node, and bundles of His, near interatrial septum
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| bundle of His | part of conduction in the interatrial septum
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| purkinje fibers | the end of the nerve networks
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| sistole | the contraction of the heart
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| diastole | rest period between contractions
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| ACS | acute coronary syndrome
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| ischemia | isch/o- keep back, -emia condition of blood /lack of blood flow
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| angina pectoris | mild to severe chest pain / ischemia of myocardium
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| cardiomegaly | enlarged heart
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| cardiomyopathy | disease of heart muscle
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| CHF | congestive heart failure, ventricles fail due to working too hard
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| MI | myocardial infarction, death of myocardial cells due to severe ischemia
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| endocarditis | inflammation and bacterial infection of the endocardium lining a heart valve
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| murmur | abnormal heart sounds/ blood leaks thru defective heart valve
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| pericarditis | inflammation of pericardial sac
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| cardiac tamponade | pericarditis fluid compresses heart and prevents it from beating
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| arrhythmia | any type of irregularity in heart rhythm (also dysrhythmia)
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| bradycardia | heart beats too slowly
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| fibrillation | very fast uncoordinated quivering of the myocardium
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| flutter | very fast but regular rhythm not completely full of blood for beating
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| heart block first degree | electrical impulses reach ventricles but are very delayed
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| heart block second degree | only some electrical impulses reach ventricles
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| heart block third degree | no electrical impulses reach ventricles - pacemaker necessary
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| PVC | premature ventricular contractions
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| asystole | complete lack of heartbeat - cardiac arrest
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| aneurysm | weakness and dilation in the wall of an artery
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| arteriosclerosis | narrow hardened artery
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| atherosclerosis | ather/o soft fatty substance, scler/o hard, -osis condition, process (blocked by fat)
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| HTN | hypertension - elevated blood pressure
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| bruit | harsh rushing sound/ blood passing thru artery w/ atherosclerosis
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| phlebitis | inflammation of vein us. accompanied by infection
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| thrombo/phleb/itis | blood clot/vein/inflammation, phlebitis w/ formation of thrombus (blood clot)
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| defibrillation | to shock the heart in regular rhythm, to stop fibrillation
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| vital signs:(5) | pulse, temperature, respiration, blood pressure, and oxygen saturation
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| CABG | coronary artery bypass graft using anastomosis
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| carotid endarterectomy | endo- innermost, arter/o artery, -ectomy surgical excision; remove plaque from occluded carotid artery
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| pacemaker | automated device to control heart rate and rhythm
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| balloon angiography | balloon inserted via catheter and inflated to compress plaque angi/o blood vessel, graphy process, proceedure
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Created by:
christiethoreson
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