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Chapter 9
Medical Terminology from chapter 9
| Term | Definition |
|---|---|
| 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 |
| aort/o | aorta |
| atri/o | atrium |
| thromb/o | clot |
| mitral valve | heart valve between the left atrium and the left ventricle (cuspis = point); also called the bicuspid valve |
| bicuspid valve | heart valve between the left atrium and the left ventricle (cuspis = point); also called the mitral valve |
| pulmonary valve | heart valve opening from the right ventricle to the pulmonary artery (luna = moon); also called the pulmonary semilunar valve |
| normotension | normal blood pressure |
| hypotension | low blood pressure |
| hypertension | high blood pressure |
| polarization | resting; resting state of a myocardial cell |
| depolarization | change of a myocardial cell from a polarized (resting) state to a state of contraction (de = not; polarization = resting) |
| repolarization | recharging of the myocardial cell from a contracted state back to a resting state (re = again; polarization = resting) |
| ACE | angiotensin-converting enzyme |
| ACS | acute coronary syndrome |
| CAD | coronary artery disease |
| CHF | congestive heart failure |
| CXR | chest x-ray |
| DVT | deep vein thrombosis |
| EPS | electrophysiological study |
| PDA | patent ductus arteriosus |
| any of several kinds of irregularity or loss of rhythm of the heartbeat | |
| dysrhythmia | any of several kinds of irregularity or loss of rhythm of the heartbeat |
| atrial septal defect (ASD) | an opening in the septum separating the atria |
| ventricular septal defect (VSD) | an opening in the septum separating the ventricles |
| secondary hypertension | high blood pressure caused by the effects of another disease |