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Home > Emergency Medical Minute > Podcast #268: Poiseuille’s Law
Podcast: Emergency Medical Minute
Episode:

Podcast #268: Poiseuille’s Law
Category: Science & Medicine
Duration: 00:06:09
Publish Date: 2017-11-06 11:00:00
Description:

Author:  Dave Rosenberg, M.D.

Educational Pearls

  • Poiseuille’s Law addresses the flow of a fluid through a tube.
  • Many common ED presentations involve alterations in flow: asthma, MI, ischemic stroke, etc.
  • According to the law, flow increases with the 4th power of the radius. That is to say, doubling the radius of the tube will increase the flow by 16x.
  • Therefore, in situations that require re-opening of an anatomic tube (artery, airway), small changes in the size of the opening will result in dramatic effects.

References: https://www.openanesthesia.org/poiseuilles_law_iv_fluids/
Total Play: 0

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