| AF | Atrial Fibrillation |
| AR | Aortic regurgitation |
| AS | Aortic stenosis |
| BP | Blood Pressure |
| CABG | Coronary artery bypass grafting |
| CAD | Coronary artery disease |
| CHF | Congestive heart failure |
| cm | Centimeter |
| CMP | Cardiomyopathy |
| D1 | First diagonal |
| D2 | Second diagonal |
| DM | Diabetes mellitus |
| ECG | Electrocardiography |
| ECHO | Echocardiography |
| EF | Ejection fraction |
| h | hour |
| HR | Heart rate |
| HTN | Hypertension |
| IDDM | Insulin dependant diabetes mellitus |
| ISSH | Idiopathic Subvalvular Septal Hypertrophy |
| kg | Kilogram |
| LAD | Left anterior descending artery |
| LAH | Left anterior hemiblock |
| LBBB | Left bundle branch block |
| LCx | Left circumflex |
| LM | Left main artery |
| LPH | Left posterior hemiblock |
| LV | Left ventricle |
| LVEF | Left ventricular ejection fraction |
| LVH | Left ventricular hypertrophy |
| MI | Myocardial infarction |
| m | Meter |
| min | Minutes |
| MR | Mitral regurgitation |
| MS | Mitral stenosis |
| NIDDM | Noninsulin dependant diabetes mellitus |
| OM | Obtuso marginal |
| PCW | Pulmonary capillary wedge pressure |
| PDA | Posterior descending artery |
| PTCA | Percutaneous transcoronary angioplasty |
| PVC | Premature ventricular contraction |
| RBBB | Right bundle branch block |
| RCA | Right coronary artery |
| RV | Right ventricle |
| RVH | Right ventricular hypertrophy |
| sec | Second |
| SPECT | Single photon emission tomography |
| SVT | Supraventricular tachycardia |
| Tc-99m | Technetium-99m |
| Tl | Thallium-201 |
| TR | Tricuspid regurgitation |
| VF | Ventricular fibrillation |
| VT | Ventricular tachycardia |
| W | Watt |