CT scan

Not routinely

unless both TTE and TEE are non-diagnostic,

  • or concern for other pericardial pathology
    • pericardial thickening and constrictive pericarditis).
    • CT and MRI may be useful when quantification and localization of pericardia
  • Tamponade
    • CT
    • distention of the
      • venae cavae and hepatic veins,
      • deformity cardiac chambers,
      • bowing of the interventricular septum, and
      • reflux of contrast into the azygos vein and inferior vena cava
        • ? coronary sinus compression on CT is an early specific indicator
        • ?right ventricular wall flattening