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CRACKCast & Physicians as Humans on CanadiEM

CanadiEM aims to improve emergency care in Canada by building an online community of practice for healthcare practitioners and providing them with high quality, freely available educational resources. The CanadiEM Podcast brings you cutting edge clinical topics on the National Rounds Series and delves into the struggles that doctors face on the Physicians as Humans Series.

Jan 2, 2018

Core Questions


  1. List 5 mechanisms of heat loss and 5 physiological responses to cold
  2. Describe 3 CV manifestations of hypothermia
  3. What are the risk factors for hypothermia? List 6.
  4. Define mild, moderate and severe hypothermia.
  5. Describe the CNS, CVS, hematologic and GU presentations associated with hypothermia for each stage (mild, moderate, severe)
  6. What are the changes made to BLS and ACLS in the setting of hypothermia?
  7. What are the indications for CPR, defibrillation, and antidysrhythmics in the hypothermic patient?
  8. Differentiate between active and passive rewarming. What are the two types of active rewarming?
  9. What are five indications for active rewarming?  Describe 6 techniques for active rewarming.
    1. Active External Rewarming
    2. Active Core Rewarming
  10. What are examples of:
  11. In what situations would you not initiate resuscitation of a hypothermic patient?




  1. What is core-temperature afterdrop?
  2. List 5 DDx for an Osborne J-wave
  3. List 5 laboratory abnormalities expected in hypothermia
  4. What three mechanisms cause worsening bleeding in trauma in hypothermia?
  5. Describe 5 management considerations other than rewarming in hypothermia
  6. What are the prehospital management priorities for the hypothermic patient in each of these categories: mild, moderate and severe?