Point-of-care ultrasound is established as a reliable, bedside diagnostic modality for the differentiation of shock, and it is used increasingly during the management of cardiac arrest as well. Because ultrasound machines are accessible in most perioperative and intensive care unit settings and handheld technology is evolving, it has become practical to deploy this tool to the many locations in which arrests occur.

Resuscitation guidelines published by the American Society of Echocardiography (Durham, North Carolina), the American College of Emergency Physicians (Irving, Texas), the European Resuscitation Council (Niel, Belgium), and the American Heart Association (Dallas, Texas) all advocate for the role of point-of-care ultrasound in cardiac arrest, while cautioning clinicians to avoid exceeding 10-s pauses between chest compressions, suggesting that the most experienced clinicians acquire images and acknowledging that more data are required to assess the efficacy of this...

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