click below
click below
Normal Size Small Size show me how
Cardiovascular
| Term | Definition |
|---|---|
| apex | tip or end of a cone-shaped structure |
| cardiologist | one who specializes in the diagnosis and treatment of the heart |
| cardiovascular | pertaining to the heart and blood vessels |
| intercostal | the space between two ribs |
| mediastinum | area between the lungs containing the heart, aorta, venae cavae, esophagus and trachea |
| endocardium | the inside lining of the heart |
| epicardium | the outer layer of the heart wall |
| myocardium | the muscular layer of the heart |
| parietal | pertaining to the outer layer of the pericardium and other body cavities |
| pericardium | sac-like structure around the heart |
| visceral | pertaining to internal organs |
| atrioventricular | pertaining to both the atria and the ventricles |
| atrium | chamber where blood enters the heart on both the right and left sides |
| bicuspid | having two points or flaps |
| chordae tendinae | tendinous cords attaching the bicuspid and tricuspid valves the heart wall |
| semilunar | appears like a half-moon |
| septum | a wall dividing two cavities |
| tricuspid | having three points or flaps |
| ventricle | chamber of the heart or brain |
| AV bundle | pathway for electrical signals to be transmitted to the ventricles |
| AV node | part of the heart's conduction system that receives electrical impulses |
| diastole | relaxation of heart cavities, during which they fill with blood |
| Purkinje fibers | network of nerve fibers in the myocardium |
| sinus rhythm | normal (optimal) heart rhythm arising from the sinoatrial node |
| systole | contraction of the heart muscle |
| arrythmia | an abnormal heart rhythm |
| bradycardia | slow heart rate (below 60 beats per minute) |
| dysrythmia | an abnormal heart rhythm |
| fibrillation | uncontrolled quivering or twitching of the heart muscle |
| palpitation | occurring in sharp, spasmodic episodes |
| tachycardia | rapid heart rate (above 100 beats per minute) |
| cardiomegaly | enlargement of the heart |
| cardiopathy | disease of the heart muscle |
| cor pulmonale | right-sided heart failure arising from chronic lung disease |
| endocarditis | inflammation of the lining of the heart |
| myocarditis | inflammation of the heart muscle |
| pericarditis | inflammation of the pericardium |
| stenosis | narrowing of a canal or passage, like a heart valve |
| tamponade | pathologic compression of an organ, like the heart |
| angina pectoris | condition of severe pain in the chest due to coronary heart disease |
| anoxia | without oxygen |
| arteriosclerosis | hardening of the arteries |
| asystole | absence of contractions of the heart |
| atheroma | lipid deposit in the lining of an artery |
| atherosclerosis | atheroma (lipid deposit) in arteries |
| hypovolemic | having decreased blood volume in the body |
| infarction | sudden blockage of an artery |
| ischemia | lack of blood supply to a tissue |
| necrosis | pathologic death of tissue or cells |
| thrombosis | formation of a blood clot (thrombus) |
| coarctation | constriction by narrowing, especially of the aorta |
| hypertension | persistent high arterial blood pressure |
| hypotension | persistent low arterial blood pressure |
| orthopnea | difficulty breathing while lying flat |
| brachiocephalic | pertaining to both the head and the arm, as in an artery supplying both |
| vasoconstriction | reduction in the diameter of a blood vessel |
| vasodilation | increase in diameter of a blood vessel |
| aneurysm | dilation or ballooning of an artery or cardiac chamber |
| claudication | intermittent leg pain caused by circulatory problems |
| embolus | detached piece of thrombus, bacteria, air or foreign body that blocks a blood vessel |
| phlebitis | inflammation of a vein |
| thrombophlebitis | inflammation of a vein with clot formation |
| murmur | abnormal sound heard while auscultating the heart or blood vessels |
| sphygmomanometer | instrument used to measure arterial blood pressure |
| defibrillator | instrument used to restore normal heart rhythm |
| thrombolysis | dissolving a blood clot (thrombus) |