| Abbreviations | Meaning |
 | CR | Cardiac Rhythm |
 | ACA | Anterior Communicating Aneurysm [or Artery]; Anticapsular Antibody; Anticardiolipin Antibody; Anticentromere Antibody |
 | ICR | Intracardiac Catheter Recording |
 | PDE | Pulsed Doppler Echocardiography |
 | COR | Cardiac Output Recorder |
 | Q | Cardiac Output |
 | ICD | Initial Cardioverter-defibrillator |
 | ABCD | Airway, Breathing, Circulation, Differential Diagnosis (or Defibrillate) - In Cardiopulmonary Resuscitation |
 | EA | Endocardio Graphic Amplifier |
 | MAGIC | Magnesium In Cardiac Arrest [trial] |
 | DCCV | Direct Current Cardioversion |
 | LCOS | Low Cardiac Output Syndrome |
 | ICC | Interventional Cardiac Center |
 | NSCT | National Society Of Cardiovascular Technologists |
 | ECG | Electrocardiogram (also EKG) |