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 the diagnosis Consultation with vascular surgery should be immediately after the clinical diagnosis and before any further delays to obtain further imaging   References: Santistevan JR. Acute Limb Ischemia: An Emergency Medicine Approach. Emerg Med Clin North Am. 2017 Nov;35(4):889-909. doi: 10.1016/j.emc.2017.07.006. Epub 2017 Aug 23. Review. PubMed PMID: 28987435. Summarized by Travis Barlock, MS4 | Edited by Erik Verzemnieks, MD