| A | B |
| angi/o | vessel |
| aort/o | aorta |
| arteri/o | artery |
| arteriol/o | arteriole |
| cardi/o, coron/o | heart |
| phleb/o, ven/o | vein |
| venul/o | venule |
| ACS | acute coronary syndrome |
| AED | automated external defibrillator (used to shock heart back in rhythm) |
| AMI | heart attack |
| BP | blood pressure |
| CABG | coronary artery bypass grafting |
| CAD | coronary artery disease |
| CCU | coronary care unit |
| CHF | a disease where the heart is unable to pump the required amount of blood |
| CPR | cardiopulmonary resusitation |
| ECG | process of recording electricity in the heart |
| ECHO | process of recording repeated sounds in the heart |
| HDL | good cholesterol |
| LDL | bad cholesterol |
| HTN | high blood pressure |
| ICD | a device implanted under the skin to shock the heart if needed |
| PCI | placement of a catheter and stent in a coronary artery to open the artery |
| brachi/o | arm |
| cyan/o | blue |
| ox/o | oxygen |
| thromb/o | clot |