ACLS version A| 50 QUESTIONS| WITH COMPLETE SOLUTIONS

you find an unresponsive patient who is not breathing. after activating the emergency response system, you determine that there is no pulse. what is your next action? correct answer: start chest compressions at a rate of at least 100/min. you are evaluating a 58-year-old man with chest pain. the blood pressure is 92/50 mm hg, the heart rate is 92/min, the nonlabored respiratory rate is 14 breaths/min, and the pulse oximetry reading is 97%. what assessment step is most important now? correct answer: obtaining 12-lead ecg. what is the preferred method of access for epinephrine administration during cardiac arrest in most patients? correct answer: peripheral intravenous An activated AED does not promptly analyze the rhythm. What is your next action? correct answer: begin chest compressions. You have completed 2 min of CPR. The ECG monitor displays the lead below and the pt. has no pulse. another member resumes chest compressions and an IV is in place. What management step is your next priority? correct answer: administer one mg of epinephrine During a pause in CPR, you see this lead II ECG rhythm on the monitor. The patient has no pulse. What is the next action? correct answer: resume chest compressions what is a common but sometimes fatal mistake in cardiac arrest management? correct answer: prolonged interruptions of chest compressions what action is a component of high-quality chest compressions? correct answer: uninterrupted compressions at a depth of 1 1/2 inches Which action increases the chance of successful conversion of ventricular fibrillation? correct answer: ventricular tachycardia with a pulse which situation BEST describes pulseless electrical activity? correct answer: sinus rhythm without a pulse What is the best strategy for perfoming high-quality CPR on a an advanced airway in place? correct answer: provide continuous chest compressions without pauses and 10 ventilations per minute. Three minutes after witnessing a cardiac arrest, one member of your team inserts an endotracheal tube while another performs continuous chest compressions. During subsequent ventilation, you notice the presence of a waveform on the capnography screen and a PETCO2 level of