I'm Dr. Joshua Schwimmer, a nephrologist and internal medicine physician in New York City. • Kidney Notes was the first active nephrology blog. (Trivia: Kidney Notes is so old that the National Library of Medicine still uses it as an example of how to formally cite blogs.) • Professionally, you can find me at Kidney.nyc. • Kidney Notes is for educational purposes only, not medical advice. Consult qualified health care professionals. See disclaimer.

Wednesday, February 28, 2007

First, Second, and Third Spaces

Everyone knows about third spacing, the accumulation of fluid in the interstitial space. So what are the first and second spaces, and what are examples of first and second spacing? (This was today's question to the residents.)