Severe Right Ventricular Failure Following Pericardiocentesis: A Case Report of Pericardial Decompression Syndrome.

Pericardial decompression syndrome, a rare but potentially fatal complication following pericardiocentesis, is defined as paradoxical hemodynamic deterioration. The exact pathophysiology is unknown, but it is likely that several mechanisms involving hemodynamic, ischemic, and autonomic imbalance play a role. There is no specific treatment; however, early supportive interventions should be implemented. (Level of Difficulty: Intermediate.).