| Abbreviations | Meaning |
 | RCHF | Right Congestive Heart Failure |
 | ASHD | Arteriosclerotic Heart Disease |
 | RHF | Restricted Hartree-Fock [level]; Right Heart Failure |
 | RT | [heart] Repolarization Time |
 | THB | Tetrahydrobiopterin; Thrombocyte B; Todd-Hewitt Broth; Total Heart Beats |
 | HMO | Health Maintenance Organization; Heart Minute Output |
 | RVHD | Rheumatic Valvular Heart Disease |
 | CHOICES | Cancer, Heart Disease, Osteoporosis Interventions, And Community Evaluation Studies |
 | CHD | Cyanotic Heart Disease |
 | INA | Sodium Current [heart Electrical Activity] |
 | CHD | Congenital Or Congestive Heart Disease |
 | HHS | Honolulu Heart Study |
 | LRL | Lower [heart] Rate Limit |
 | BHIS | Beef Heart Infusion Supplemented [broth] |
 | AHES | Artificial Heart Energy System |