Grand Rounds Recap 03.15.17

Grand Rounds Recap 03.15.17

This week, Dr. Boyer led us through his R4 case follow up. Drs. Baez and Summers dove deep into the literature on sepsis. Dr. Gauger reviewed toxicologic syndromes. Dr. Axelson hit us with some trauma pearls and we worked through sick respiratory cases during our combined Peds-EM sim. 

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CSF Evaluation in Subarachnoid Hemorrhage

CSF Evaluation in Subarachnoid Hemorrhage

So, what constitutes a “positive” tap when evaluating for subarachnoid hemorrhage?

Traditional teaching is that a positive tap is Xanthochromia or blood in the CSF

What exactly is Xanthochromia?

The word xanthochromia is simply Greek for “yellow color.”  It refers to the yellow color that CSF can take in certain situations.  Some of these situations are listed below:

  • Elevated CSF protein            
  • Jaundice
  • Hypervitaminosis A
  • Rifampin Therapy
  • Elevated Bilirubin
  • Oxyhemoglobin

What we are especially interested in when evaluating for subarachnoid hemorrhage is bilirubin and oxyhemoglobin.

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