| cardiotachometer | An instrument for measuring the heart rate. Origin: cardio-+ G. Tachos, rapidity, + metron, measure (05 Mar 2000) |
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| cardiothoracic ratio | The ratio of the horizontal diameter of the heart to the inner diameter of the rib cage at its widest point as determined on a chest roentgenogram. (05 Mar 2000) |
| cardiothrombus | A clot of blood within one of the heart's chambers. Synonym: cardiohemothrombus. (05 Mar 2000) |
| cardiothyrotoxicosis | Hyperthyroidism with cardiac complications. (05 Mar 2000) |
| cardiotocography | Monitoring of foetal heart frequency before birth in order to assess impending prematurity in relation to the pattern or intensity of antepartum uterine contraction. (12 Dec 1998) |
| cardiotomy | 1. Incision of a heart wall. 2. Incision of the cardiac part of the stomach. Origin: cardio-+ G. Tome, incision (05 Mar 2000) |
| cardiotonic | 1. Having a tonic effect on the heart. 2. An agent that has a tonic effect on the heart. (18 Nov 1997) |
| cardiotonic agent | Agents that have a tonic effect on the heart or increase cardiac output. They may be glycosidic steroids related to digitalis products, sympathomimetic, or other drugs and are used after myocardial infarcts, cardiac surgery, in shock, or in congestive heart failure. (12 Dec 1998) |
| cardiotoxic | Having a poisonous or deleterious effect upon the heart. (18 Nov 1997) |
| cardiotoxic myolysis | Cardiomalacia occurring in fever and various systemic infections. (05 Mar 2000) |
| cardiotoxin | 1. A poisonous glycoside with specific cardiac effects. For example, causes irreversible depolarisation of cell membranes. 2. Specifically, one of the toxic principles from cobra venom. 3. Any substance that can cause heart damage with toxic doses. (05 Mar 2000) |
| cardiovalvulitis | Inflammation of the heart valves. (05 Mar 2000) |
| cardiovascular | <cardiology, physiology> Pertaining to the heart and blood vessels. (18 Nov 1997) |
| cardiovascular abnormalities | Congenital structural abnormalities of the cardiovascular system. (12 Dec 1998) |
| cardiovascular agents | Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. (12 Dec 1998) |