Which findings on pulmonary artery catheterization are characteristic of scorpion envenomation?

Updated: Nov 09, 2018
  • Author: David Cheng, MD; Chief Editor: Joe Alcock, MD, MS  more...
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Answer

Pulmonary artery catheterization findings may include the following:

  • Elevated systemic vascular resistance occurs up to 4 times the normal level, with elevated mean arterial pressure (MAP) of 203 mm Hg.

  • Left ventricular failure produces a MAP of 57-69 mm Hg.

  • Biventricular failure produces a MAP of 47 mm Hg.

  • Low cardiac index occurs with elevated filling pressures.


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