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Emergency Medical Minute


May 1, 2023

Contributor: Travis Barlock MD

Educational Pearls: 

Large Vessel Occlusion (LVO) is a condition where a clot blocks one of the major blood vessels in the brain, leading to a stroke.

What are the vessels that can experience an LVO?

Middle Cerebral artery (MCA)

Internal Carotid Artery (ICA)

Anterior Cerebral Artery (ACA)

Dec 8, 2018

Author: Dylan Luyten, MD

Educational Pearls:


  • Symptoms of acute limb ischemia are the 5 P’s: Pulselessness, pain, pallor, paresthesias, and poikilothermia
  • Sudden onset of non-traumatic extremity pain should raise concern for this diagnosis
  • Obtaining an ankle brachial index (ABI) can help confirm...

Sep 4, 2018

Author:  Sue Chilton, MD

Educational Pearls:


  • An unusual cause of leg pain that can mimic sciatica/claudication
  • Predominantly occurring in high endurance athletes, particularly cyclists and runners
  • More common in men
  • Check supine ABIs 1 minute after activity in the ED: a value < 0.5 is 80%...