| Abbreviations | Meaning |
 | LHS | Left Heart Strain |
 | CHD | Congenital Heart Disease |
 | CHIME | Coloboma, Heart Anomaly, Ichthyosis, Mental Retardation, Ear Abnormality |
 | HERS | Heart And Estrogen-Progestin Replacement Study |
 | HDP | Heart Disease Program [computerized Diagnosis]; Hexose Diphosphate; High-density Polyethylene; Hydrogen Diphosphonate; Hydroxydimethylpyrimidine |
 | MHS | Minnesota Heart Survey |
 | NYHAFC | New York Heart Association Functional Class |
 | TEAHAT | Thrombolysis Early In Acute Heart Attack Trial |
 | FHR | Fetal Heart Rate |
 | HAL | Heart Attacks In London [study] |
 | PLET | Polymyxin, Lysosome, EDTA, Thallous Acetate [in Heart Infusion Agar] |
 | HAPPHY | Heart Attack Primary Prevention In Hypertension |
 | CHB | Chronic Hepatitis B; Complete Heart Block; Congenital Heart Block |
 | LD1 | Isoenzyme Of Lactate Dehydrogenase Found In The Heart, Erythrocytes, And Kidneys |
 | BHS | Bogalusa Heart Study |