A Show ACE Angiotensin-converting enzyme ACLS Advanced cardiovascular life support ACS Acute coronary syndromes AED Automated external defibrillator AHF Acute heart failure AIVR Accelerated idioventricular rhythm AMI Acute myocardial infarction aPTT Activated partial thromboplastin time AV Atrioventricular B BLS Basic life support: Check responsiveness, activate emergency response system, check carotid pulse, provide defibrillation C CARES Cardiac Arrest Registry to Enhance Survival CCF Chest compression fraction CPR Cardiopulmonary resuscitation CPSS Cincinnati Prehospital Stroke Scale CQI Continuous quality improvement CT Computed tomography D DNAR Do not attempt resuscitation E ECG Electrocardiogram ED Emergency department EMS Emergency medical services ET Endotracheal F FDA Food and Drug Administration FIO2 Fraction of inspired oxygen G GI Gastrointestinal I ICU Intensive care unit INR International normalized ratio IO Intraosseous IV Intravenous L LV Left ventricle or left ventricular M mA Milliamperes MACE Major adverse cardiac events MET Medical emergency team MI Myocardial infarction mm Hg Millimeters of mercury N NIH National Institutes of Health NIHSS National Institutes of Health Stroke Scale NINDS National Institute of Neurological Disorders and Stroke NPA Nasopharyngeal airway NSAID Nonsteroidal anti-inflammatory drug NSTE-ACS Non–ST-segment elevation acute coronary syndromes NSTEMI Non–ST-segment elevation myocardial infarction O OPA Oropharyngeal airway P PaCO2 Partial pressure of carbon dioxide in arterial blood PCI Percutaneous coronary intervention PE Pulmonary embolism PEA Pulseless electrical activity PETCO2 Partial pressure of end-tidal carbon dioxide PT Prothrombin time pVT Pulseless ventricular tachycardia R ROSC Return of spontaneous circulation RRT Rapid response team rtPA Recombinant tissue plasminogen activator RV Right ventricle or right ventricular S SBP Systolic blood pressure STEMI ST-segment elevation myocardial infarction SVT Supraventricular tachycardia T TCP Transcutaneous pacing TTM Targeted temperature management U UA Unstable angina V VF Ventricular fibrillation VT Ventricular tachycardia In the event of a cardiac arrest, follow these CPR guidelines. For more free resources like our ACLS cardiac arrest algorithm, explore other online articles to sharpen your life-saving skills. Note: These guidelines are for an adult cardiac arrest algorithm. Review guidelines for the pediatric cardiac arrest algorithm with our free resources.
How long is the ACLS pretest?You are here: Although everyone is different, it usually takes about one hour. Once you pass it with at least a 70%, you will print it and present it to the instructor at the time of class.
How many questions is ACLS Precourse self assessment?Instructions for accessing the Precourse Requirements are included in your registration confirmation. ACLS Written Exam The ACLS Provider exam is 50 multiple-choice questions, with a required passing score is 84%.
When should compressions be paused to conduct a rhythm check?Objectives: Most guidelines recommend pausing chest compressions at 2 min intervals to analyze the cardiac rhythm.
How often are pulse checks in ACLS?Check pulse and rhythm every 2 minutes, as follows: If nonshockable, see Nonshockable Rhythm (below). If shockable, see Shockable Rhythm (above) and administer amiodarone after second defibrillation attempt.
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