| Abbreviations | Meaning |
 | HLK | Heart, Liver, Kidney |
 | HTX | Heart Transplantation |
 | AHF SCENE | Advanced Heart Failure Shared Clinical Experience Network |
 | XISHF | Xamoterol In Severe Heart Failure [study] |
 | REMATCH | Randomized Evaluation Of Mechanical Assistance In The Treatment Of Congestive Heart Failure [study] |
 | GWTG | Get With The Guidelines [American Heart Association] |
 | TNT | Treatment To New Target [study Of Effectiveness Of Atorvastatin In Coronary Heart Disease] |
 | SHARE | Source Of Help In Airing And Resolving Experiences; Study Of Heart Assessment And Risk In Ethnic Groups |
 | HM | Heart Murmur |
 | WATCH | Warfarin Antiplatelet Trial In Chronic Heart Failure; Worcester-area Trial For Counseling In Hyperlipidemia |
 | APD | Action Potential Duration [of Heart] |
 | APPROACH | Alberta Provincial Project For Outcomes Assessment In Coronary Heart Disease |
 | L/H | Lung-to-heart [ratio] |
 | ASHD | Arteriosclerotic Heart Disease; Atrioseptal Heart Disease |
 | NPHS | National Population Health Survey [Canada]; Northwick Park Heart Study |