| Abbreviations | Meaning |
 | HRF | Heart Rate Fluctuations |
 | SHVRC | Shiley Heart Valve Research Center [project] |
 | CNTHM | Conotruncal Heart Malformation |
 | M1 | Mitral Component [first Heart Sound]; Mitral First [sound]; Myeloblast; Slight Dullness |
 | HTHD | Hypertensive Heart Disease |
 | BHIA | Brain-heart Infusion Agar |
 | ICHD | Inter-Society Commission For Heart Disease Resources |
 | NYHA | New York Heart Association |
 | BRH | Benign Recurrent Hematuria; British Regional Heart [study]; Bureau Of Radiological Health |
 | PRIME | Prospective Randomized Study Of Ibopamine On Mortality And Efficacy In Heart Failure |
 | IHHS | Idiopathic Hyperkinetic Heart Syndrome |
 | AHES | Artificial Heart Energy System |
 | HW | Half-width; Healing Well; Heart Weight; Hypertriglyceridemic Waist |
 | AHF | Acute Heart Failure; American Health Foundation; American Hepatic Foundation; American Hospital Formulary |
 | AHD | Arteriosclerotic Heart Disease; Atherosclerotic Heart Disease; Autoimmune Hemolytic Disease |