| Abbreviations | Meaning |
 | IKADO | Outward Inwardly Rectifying Potassium Current [heart Electrophysiology] |
 | AH | Artificial Heart |
 | HWI | Heart Work Index |
 | IK | Potassium Current [heart Electrophysiology] |
 | TNT | Treatment To New Target [study Of Effectiveness Of Atorvastatin In Coronary Heart Disease] |
 | S1-S4 | First To Fourth Heart Sounds |
 | HERS | Heart And Estrogen-Progestin Replacement Study |
 | IKI | Inward Rectifier Current [heart Electrophysiology] |
 | HWBW | Heart Weight To Body Weight [ratio] |
 | AE | Antitoxic Unit [Ger. Antitoxineinheit]; Apoenzyme; Aryepiglottic; Atherosclerotic Encephalopathy; Atrial Ectopic [heart Beat]; Avian Encephalomyelitis |
 | AHES | Artificial Heart Energy System |
 | HBP | Heartbeat Period; Hepatic Binding Protein; High Blood Pressure; Hospital-based Practice |
 | IAH | Idiopathic Adrenal Hyperplasia; Implantable Artificial Heart |
 | THD | Thomsen Disease; Transverse Heart Diameter |
 | IHDI | Ischemic Heart Disease Index |