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Cardiac
| Term | Definition |
|---|---|
| angi/o | vessel |
| aort/o | aorta |
| arteri/o | artery |
| ather/o | fatty paste |
| atri/o | atrium |
| cardi/o | heart |
| coron/o | crown or circle |
| my/o | muscle |
| pector/o | chest |
| phleb/o | vein |
| sphygm/o | pulse |
| steth/o | chest |
| thromb/o | clot |
| varic/o | swollen, twisted vein |
| vas/o | vessel |
| vascul/o | vessel |
| ven/o | vein |
| ventricul/o | ventricle |
| atrium | upper chamber of heart |
| endocardium | inner lining of heart |
| epicardium | outer lining of heart |
| interatrial septum | partitino between the L and R atria |
| interventricular septum | partition between ventricles |
| myocardium | heart muscle |
| pericardium | sac surrounding heart |
| ventricle | lower chamber of heart |
| aortic valve | valve allowing passage of blood from L ventricle to systemic circulation |
| mitral valve | valve between L atria and L ventricle |
| pulmonary valve | valve allowing passage of blood from R atrium to the lungs |
| tricuspid valve | valve between R atrium and R ventricle |
| venous valve | valves that prevent backflow of blood in veins |
| arteries | vessels leaving the heart |
| aorta | large main vessel that carries blood from heart to body systemic circulation |
| arterioles | smaller vessels that carry blood from arteries |
| capillaries | tiny vessels that join arterioles and venules |
| venules | small vessels that gather blood from capillaries into veins |
| veins | vessels that carry blood back to the heart |
| systemic circulation | circulation throughout body |
| coronary circulation | circulation of blood to and from heart muscle |
| pulmonary circulation | circulation to and from lungs |
| blood pressure | diagnostic value to determine volume of blood and force of blood against vessels |
| diastole | relaxation of ventricles |
| systole | contraction of ventricles |
| hypotension | low BP |
| hypertension | high BP |
| SA node | pacemaker; neurological tissue in R atrium that fires AP's to initiate atrial myocardial contractions and propagates to AV node |
| AV node | neurological tissue in center of the heart that propagates SA signal to AV bundle |
| AV bundle | neuro fibers that branch into left and right that carryb impulse from AV node to Purkinje fibers |
| Purkinje fibers | neuro fibers that extend into ventricular walls and cause ventricular contractions |
| polarization | resting state of myocardial cells |
| depolarization | change to contractile state of myocardial cells |
| normal sinus rhythm | regular rhythm of heart |
| aneurysm | bulging of arterial walls |
| constriction | compression that causes stenosis |
| angina pectoris | chest pain caused by temp loss of oxygenated blood to myocardium |
| arteriosclerosis | thickening, calcification of arterial walls |
| atherosclerosis | narrowing of vessels due to fatty plaque buildup |
| diaphoresis | severe sweating |
| thrombus | stationary blood clot |
| embolus | clot carried in blood stream that occludes vessels when lodged |
| heart murmur | abnormal sound from heart produced by defects in the chambers or valves |
| ischemia | decreased blood flow to tissue |
| occlusion | an obstruction or closing off |
| infarct | localized necrosis caused by ischemia |
| palpitation | subjective experience of pounding, skipping or racing heartbeats |
| stenosis | narrowing |
| vegetation | abnormal growth of tissue around a valve |
| dysrhythmia | irregularity or loss of rhythm of heartbeat |
| cardiac tamponade | compression of heart due to buildup of fluid in pericardial space |
| CHF | failure of heart to pump adequately resulting in congestion and edema in lower extremeties |
| CAD | disease of coronary arteries that affects blood flow to the heart |
| myocarditis | inflammation of myocardium |
| DVT | clotting in deep vein of body |
Created by:
cfbarone
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