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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 |