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Ultrasound-Guided Pericardiocentesis
- Though emergent pericardiocentesis is a relatively rare procedure in the ED, it is a critical intervention in patients with effusion and life-threatening instability/PEA arrest.
- Ultrasound-guided pericardiocentesis is preferred over the traditional "blind" approach, as it allows the provider to choose an optimal position and is associated with fewer complications.
- A few pearls when using ultrasound for emergent pericardiocentesis:
- Consider placing an NGT for abdominal decompression.
- Don't mistake the epicardial fat pad for an effusion; fat pads don't change size and usually move in concert with the ventricle.
- The apical 4-chamber view tends to be the most common probe position, as the largest collection of fluid is usually around the apex.
- If you are unsure about your needle location, inject 5-ml of agitated saline to confirm you are in the pericardial space.
References
L'Italien AJ. Critical cardiovascular skills and procedures in the emergency department. Emerg Med Clin N Am 2013; 31:151-206.
Tirado A, Wu T, Noble VE, et al. Ultrasound-guided procedures in the emergency department - Diagnostic and therapeutic asset. Emerg Med Clin N Am 2013; 31:117-149.