| Abbreviations | Meaning |
 | UCO | Ultrasonic Cardiac Output |
 | CE | Cardioesophageal |
 | KISS | Kobe Idiopathic Cardiomyopathy Survival Study |
 | PLCO | Postoperative Low Cardiac Output |
 | DG/VCF | DiGeorge/velocardiofacial [syndrome] |
 | CCI | Cardiovascular Credentialing International |
 | PDE | Pulsed Doppler Echocardiography |
 | MIMYCA | Maternally Inherited Disorder With Adult-onset Myopathy And Cardiomyopathy |
 | MAGICA | Magnesium In Cardiac Arrhythmia [trial] |
 | CRI | Cardiac Risk Index |
 | J | A Reference Point Following The QRS Complex, At The Beginning Of The ST Segment, In Electrocardiography |
 | BCIS | British Cardiovascular Intervention Society |
 | MUO | Myocardiopathy Of Unknown Origin |
 | OOH/CA | Out-of-hospital Cardiac Arrest |
 | VCF | Velocardiofacial [syndrome]; Velocity Of Circumferential Fiber [lengthening]; Ventricular Contractility Function |