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Med Terminology: CH9
Sydney Henderson
| Term | Definition |
|---|---|
| angi/o | vessel |
| aort/o | aorta |
| arteri/o | artery |
| ather/o | fatty (lipid) paste |
| atri/o | atrium |
| cardi/o | heart |
| coron/o | circle or crown |
| my/o | muscle |
| pector/o | chest |
| phleb/o | vein |
| sphygm/o | pulse |
| steth/o | chest |
| thromb/o | clot |
| varic/o | swollen, twisted vein |
| vascul/o | vessel |
| vas/o | vessel |
| ven/o | vein |
| ventricul/o | ventricle (belly or pouch) |
| atrium | upper right or left chamber of the heart |
| endocardium | membrane lining the cavities of the heart |
| epicardium | membrane forming the outer layer of the heart |
| interatrial septum | partition between the right and left atria |
| interventricular septum | partition between the right and left ventricles |
| myocardium | heart muscle |
| pericardium | protective sac enclosing the heart composed of two layers with fluid between |
| visceral pericardium | layer of the pericardium closest to the heart ( visceral = pertaining to organ ) |
| parietal pericardium | outer layer ( parietal = pertaining to wall) |
| pericardial cavity | fluid-filled cavity between the pericardial layers |
| ventricle | lower right or left chamber of the heart |
| heart valves | structures within the heart that open and close with heartbeat to regulate the one way flow of blood |
| radiology | x-ray imaging |
| angiography | process of x-ray imaging a blood vessel after injection of contrast dye, most commonly after catheter placement |
| angiogram | record obtained by angiography |
| coronary angiogram | x-ray image of the blood vessels of the heart using a catheter to inject contrast |
| arteriogram | x-ray image of a particular artery |
| aortogram | x-ray image of the aorta |
| venogram | x-ray image of a vein |
| multiple-gated acquisition (MUGA) scan | nuclear image of the beating heart in motion made as radioactive isotopes are injected in the bloodstream and traced through the heart's chambers; useful in evaluating the pumping function of the ventricles |
| positron emission tomography (PET) scan of the heart | use of specialized nuclear isotopes and computed tomographic techniques to produce perfusion (blood flow) images and to study the cellular metabolism of the heart; can be performed at rest or with stress |
| myocardial radionuclide perfusion stress scan | nuclear perfusion scan of the heart that is made before and after the induction of controlled physical exercise (treadmill or bicycle) or a pharmaceutical agent that produces the effect of exercise stress in patients who are unable to ambulate |
| myocardial radionuclide | scan of the heart made after an intravenous injection of an isotope (ex: thallium) that is absorbed by myocardial cells in proportion to blood flow throughout the heart; useful in evaluating coronary artery disease (CAD) |
Created by:
SyddySyd
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