| A | B |
| Vena Cava | largest veins that bring blood to the heart from the body |
| Aorta | largest artery that takes blood to the body |
| pulmonary veins | Bring O2 rich blood to the heart from the lungs |
| pulmonary arteries | takes CO2 rich blood to the lungs |
| SA node | natural pacemaker of the heart |
| general/systemic circulation | blood flow from the heart to the body and back |
| cardiopulmonary circulation | blood flow from the heart to lungs and back |
| Brain damage | results from lack of blood flow to the brain for 4-5 minutes |
| CPR | cardiopulmonary rescucitation |
| myocardium | heart muscle |
| endocardium | inner lining of the heart |
| pericardium | tissue around the heart |
| -itis | inflammation |
| diastole | relaxation of the heart |
| systole | contraction of the ventricles |
| murmur | caused by improper closure of the heart valves |
| Lubb dupp | sound the heart makes when the valves close |
| EKG | recording of the hearts electrical activity |
| HDL | high density lipoprotein (good cholesterol) |
| LDL | low density lipoprotein (bad cholesterol) |
| arrhythmia/dysrhythmia | abnormal or irregular heart beat |
| bradycardia | slow heart rate |
| tachycardia | fast heart rate |
| coronary artery disease | narrowing of the vessels that take blood to the heart muscle |
| angina pectoris | chest pain caused by lack of blood flow to the heart muscle |
| myocardial infarction | heart attack - caused by blockage in the coronary arteries |
| rheumatic heart disease | scar tissue building on the valves causing improper closure |
| heart failure | the chambers are unable to pump effectively causing a build up of blood in the heart |
| dyspnea | shortness of breath (SOB) |
| angioplasty | type of minimally invasive heart surgery that opens a blocked artery |
| coronary bypass | type of heart surgery that takes vessels from the leg and transplants them to the heart muscle |
| cardiac stents | minimally invasive heart surgery that places metal springs in the heart to open a blocked vessel |
| pacemaker | surgically implanted device that causes the heart to beat a set number of times per minute |
| defibrillator | a device to shock the heart into a normal rhythm |