RT Book, Section A1 Osborne, Michael A2 Carmody, Kristin A. A2 Moore, Christopher L. A2 Feller-Kopman, David SR Print(0) ID 56301897 T1 Chapter 20. Ultrasound for Pericardiocentesis and Cardiac Pacing T2 Handbook of Critical Care and Emergency Ultrasound YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-160489-5 LK accessanesthesiology.mhmedical.com/content.aspx?aid=56301897 RD 2024/10/08 AB Cardiac procedures are typically performed by cardiology or cardiothoracic surgery physicians and though are less common in the emergency or critical care setting, may be life-saving when a patient is in extremis. Two situations where ultrasound guidance may be invaluable for cardiac procedures is in performing pericardiocentesis in a patient with tamponade and in guiding cardiac pacing in a patient with complete heart block or unstable bradycardia unresponsive to medications.