| A | B |
| Cardiovascular | Pertaining to the heart and vessels |
| Cardi/o | Heart |
| Thoracic Cavity | Chest Cavity |
| Pericardium | double-walled membrane surrounding the heart |
| What are the three layers of the Heart Walls | Epicardium, Myocardium, Endocardium |
| Artery | a blood vessel that carries oxygenated blood away from the heart |
| Vein | a vessel that returns deoxygenated blood to the heart |
| Ischemia | deficiency in the blood supply to an area |
| Necrosis | Tissue death |
| Infarction | localized area of necrosis caused by an interrupted blood supply |
| Mammalian and avain hearts are _________chambered | four |
| Most reptile hearts have ________chambers | three |
| what are the four heart valves | right atrioventricular valve, pulmonary valve, left atrioventricular valve, aortic valve |
| Sinoatrial node or SA node | pace maker of the heart |
| fibrillation | rapid, random, and ineffective heart contractions |
| bradycardia | abnormally slow heartbeat |
| tachycardia | abnormally rapid heartbeat |
| normal sinus arrhythmia | irregular heart rhythm resulting from variation in vagal nerve tone as a result of respiration (a nonpathologic arrhythmia) |
| asystole | without contraction or lack of heart activity; flat line on EKG |
| Syncope | fainting |
| Auscultation | listening to body sounds |
| angi/o and vas/o | blood vessel |
| aort/o | aorta |
| Perfusion | Blood flow through tissues |
| Capillary refill time | an indicator of perfusion |
| ven/o and phleb/o | vein |
| Blood Pressure | Tension exerted by blood on the arterial walls |
| Systole | Contraction |
| Diastole | relaxation |
| Hypertension | high blood pressure |
| hypotension | low blood pressure |
| antihypertensives | drugs used to lower blood pressure |
| electrocardiogram | the record of the electrical activity of the heart |
| Intravenous | within a vein |
| intra-arterial | within an arter |
| cardiac tamponade | compression of the heart due to fluid or blood collection in the pericardial sac |
| cardiomegaly | heart enlargement |
| cardiomyopathy | disease of heart muscle |
| carditis | inflammation of the heart |
| edema | accumulation of fluid in the intercellular spaces |
| Ascites | fluid accumulation in the peritoneal cavity |
| diuretics | substance that increases urine excretion |
| pulmon/o | lung |
| dirofilariosis | heartworm infection |
| endocarditis | inflammation of the endocardium and sometimes the heart valves |
| Hemangioma | benign tumor comprised of newly formed blood vessels |
| Hematoma | collection of blood |
| hypercapnia | above normal levels of carbon dioxide resulting in reduced levels of oxygen |
| hypocapnia | below normal levels of carbon dioxide |
| Hypoxia | below normal levels of oxygen |
| defibrillation | use of electrical shock to restore the normal heart rhythm |
| hemostasis | control or stopage of bleeding |
| transfusion | introduction of whole blood or blood components into the bloodstream of the recipient |