| Term | Definition |
| angiocardiography | the process of recording the heart and vessels after an IV injection of a radiopaque solution |
| angiostenosis | a condition of narrowing of a blood vessel |
| arrhythmia | a condition in which there is a lack of rhythm of the heartbeat |
| arteritis | inflammation of an artery |
| atheroma | tumor of an artery containing a fatty substance |
| cardiologist | one who specializes in the study of the heart |
| cardiology | the study of the heart |
| cardiometer | an instrument used to measure the action of the heart |
| circulation | the process of moving the blood in the veins and arteries throughout the body |
| claudication | the process of lameness, limping; may result from inadequate blood supply to the muscles in the leg |
| constriction | the process of drawing together, as in the narrowing of a vessel |
| cyanosis | a dark blue condition of the skin and mucous membranes caused by oxygen deficiency |
| diastole | the relaxation phase of the heart cycle during which the heart muscle relaxes and the heart chambers fill with blood |
| embolism | a condition in which a blood clot obstructs a blood vessel; a MOVING blood clot |
| occlusion | the process or state of being closed |
| oxygen | a colorless, odorless, tasteless gas essential to respiration in animals |
| palpitation | rapid throbbing or fluttering of the heart |
| Apresoline | hydralazine |
| Capoten | captopril |
| Lopressor | metoprolol |
| Inderal | propranolol |
| Cardura | doxazosin |
| Corgard | nadolol |
| Tenormin | atenolol |
| Diovan | valsartan |