27 Questions
Which of the following is a common nonperfusing arrhythmia?
Ventricular fibrillation
When should CPR be started?
Before the rhythm is identified
What is the only absolute contraindication to CPR?
A do-not-resuscitate (DNR) order
Which of the following is the correct order of steps in performing CPR?
Chest compressions, Airway, Breathing
What is the recommended compression depth for adults during CPR?
At least 2 inches
When should untrained bystanders perform chest compression-only CPR?
After giving 30 chest compressions
What is the recommended compression rate during CPR?
At least 100/min
During CPR, how many compressions should be administered per minute?
100 compressions per minute
When should the rhythm be checked during CPR?
After 2 minutes of CPR
Which medication should be administered every 3-5 minutes during CPR?
Epinephrine
When should amiodarone be administered during CPR?
Before or after defibrillation
Which device may be used as the initial advanced airway during CPR?
Supraglottic airway device
What is the recommended dose of standard-dose epinephrine for patients in cardiac arrest?
1 mg every 3-5 min
Which medication may be considered for ventricular fibrillation (VF) or pulseless ventricular tachycardia (pVT) that is unresponsive to CPR, defibrillation, and a vasopressor?
Amiodarone
What is the recommended temperature range for targeted temperature management (TTM) in post-cardiac arrest care?
32-36°C
Which of the following is a recommended ventilation strategy after ROSC?
Low tidal volume ventilation
What is the potential effect of hypercapnia on cerebral vasculature?
Cerebral vasodilation
Which of the following was observed in an observational study comparing hypercapnia to normocapnia or hypocapnia after ROSC?
Improved survival to hospital discharge
What was the median tidal volume at the end of TTM in the TTM trial?
7.7 ml kg− 1 predicted body weight
During CPR, tracheal intubation allows for uninterrupted chest compressions and protects the lungs from aspiration of gastric contents. However, what percentage of out-of-hospital cardiac arrest (OHCA) patients experienced regurgitation before EMS arrival or before tracheal intubation?
One-third
Which of the following statements about videolaryngoscopy (VL) for tracheal intubation during CPR is correct?
VL was associated with significantly fewer episodes of prolonged interruptions in chest compressions.
What is the recommended ventilation rate during CPR with an advanced airway in place?
10 breaths per minute
Why is a reduced ventilation rate sufficient to maintain a normal ventilation perfusion ratio during CPR?
Chest compressions generate a reduced cardiac output.
Which of the following is a class I recommendation for targeted temperature management (TTM) for comatose adult patients with return of spontaneous circulation (ROSC)?
TTM for at least 24 hours after achieving target temperature
Why do current guidelines for CPR emphasize chest compressions for all cardiac arrests?
Studies show that lay rescuer compression-only CPR is better than no CPR
Which of the following airway techniques during CPR has potential advantages over others, including improved pharyngeal seal pressure and integrated bite blocks?
Supraglottic airway
What is the recommended approach for bag-mask ventilation during CPR?
Give two breaths after every 30 compressions
Quiz: Test Your Knowledge on Carotid Artery Compression During CPR
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