cardiac
111cardiac glycoside — any of a group of glycosides characterized by an aglycone consisting of a steroid nucleus with an α,β unsaturated lactone ring attached at the C 17 position, occurring in certain plants (e.g., Digitalis, Strophanthus, Urginea). Cardiac… …
112cardiac massage — rhythmic compression of the heart by pressure applied manually over the sternum (closed cardiac massage) or directly to the heart through an opening in the chest wall (open cardiac massage); done to reinstate and maintain circulation …
113cardiac tamponade — a dangerous situation in which there is a build up of fluid around the heart within the pericardial sac. This causes compression of the heart, which is therefore unable to fill with blood adequately in order to pump effectively. Cardiac tamponade …
114cardiac cycle — noun the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the… …
115cardiac glycoside — noun obtained from a number of plants and used to stimulate the heart in cases of heart failure • Syn: ↑cardiac glucoside • Hypernyms: ↑steroid • Hyponyms: ↑digitalis, ↑digitalis glycoside, ↑digitalin * * * …
116cardiac massage — noun an emergency procedure that employs rhythmic compression of the heart (either through the chest wall or, during surgery, directly to the heart) in an attempt to maintain circulation during cardiac arrest • Syn: ↑heart massage • Hypernyms:… …
117cardiac resuscitation — noun an emergency procedure consisting of external cardiac massage and artificial respiration; the first treatment for a person who has collapsed and has no pulse and has stopped breathing; attempts to restore circulation of the blood and prevent …
118cardiac failure — noun : heart failure * * * cardiac failure noun Heart failure • • • Main Entry: ↑cardiac …
119cardiac impulse — noun : the wave of cardiac excitation passing from the sinoatrial node to the atrioventricular node and along the atrioventricular bundle and initiating the cardiac cycle; broadly : heartbeat …
120cardiac neurosis — noun : a condition marked by shortness of breath, fatigue, rapid pulse, and heart palpitation sometimes with extra beats that occurs chiefly with exertion and is not due to physical disease of the heart called also effort syndrome, irritable… …
