Autopsy and Gross Pathology · USMLE Step 1

Which postmortem change is expected first after death under normal environmental conditions?

  1. Putrefaction
  2. Rigor mortis
  3. Livor mortis
  4. Algor mortis
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Correct answer: Algor mortis

Algor mortis — cooling of the body — begins almost immediately after death as heat production ceases, preceding the other postmortem signs.

Difficulty: Medium Question 16 of 20

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