| Abbreviations | Meaning |
 | MERIT-HF | Metoprolol Controlled-release Randomised Intervention Trial In Heart Failure |
 | CARMEN | Carvedilol Angiotensin Converting Enzyme Inhibitors Remodelling Mild Heart Failure Evaluation |
 | VHD | Valvular Heart Disease; Viral Hematodepressive Disease; Visible Human Dataset |
 | H | Heart |
 | HRSUB | Submaximal Heart Rate |
 | APPROACH | Alberta Provincial Project For Outcomes Assessment In Coronary Heart Disease |
 | PHAVER | Pterygia-heart Defects-autosomal Recessive Inheritance-vertebral Defects-ear Anomalies-radial Defects [syndrome] |
 | LD1 | Isoenzyme Of Lactate Dehydrogenase Found In The Heart, Erythrocytes, And Kidneys |
 | M-HART | Montreal Heart Attack Readjustment Trial |
 | H2 | Deuterium; Second [heart] Sound |
 | FHS | Fetal Heart Sound |
 | DIAMOND-CHF | Danish Investigation Of Arrhythmia And Mortality On Dofetilide In Congestive Heart Failure |
 | HDP | Heart Disease Program [computerized Diagnosis]; Hexose Diphosphate; High-density Polyethylene; Hydrogen Diphosphonate; Hydroxydimethylpyrimidine |
 | DHFS | Diet-Heart Feasibility Study |
 | SDIHD | Sudden Death Ischemic Heart Disease |