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Dennis Ren
Dennis Ren is a paediatric emergency medicine physician at Children’s National Hospital in Washington, DC. He is the host of #SGEMPeds, a monthly podcast in collaboration with The Skeptics’ Guide to Emergency Medicine that critically appraises paediatric literature. When he is not talking nerdy, he enjoys spending time with his wife and daughter.
- Written on
- , Last updated 05/12/2025
Interpreting blood gases can be tricky. Let's start with the basics
- Written on
- , Last updated 15/07/2026
How often do we see well appearing infants with a fever?






