Cardiac Tamponade

Background

• 80% of myocardial stab wounds develop cardiac tamponade
• GSW is less likely to result in tamponade b/c pericardial defect is larger

Diagnosis

• Tachycardia, narrow pulse pressure, elevated CVP, hypotension
• TTE is study of choice
  • 5% false negative (usually b/c pericardium is decompressing into L chest)
    • Be suspicious if pt has a left-sided pulm effussion

Treatment

1. IVF
2. Pericardiocentesis
3. ED Thoracotomy (if loses pulses)

See Also

• Thoracic Trauma
• Pericardial Effusion and Tamponade

Source

Tintinalli