Book contents
- Practical Emergency Resuscitation and Critical Care
- Practical Emergency Resuscitation and Critical Care
- Copyright page
- Contents
- Contributors
- Preface
- Section 1 General Critical Care
- Section 2 Infectious Disease Emergencies
- Section 3 Neurological Emergencies
- Section 4 Cardiovascular Emergencies
- Section 5 Respiratory Emergencies
- Section 6 Gastrointestinal Emergencies
- Section 7 Renal Emergencies
- Section 8 Hematology–Oncology Emergencies
- Section 9 Endocrine Emergencies
- Section 10 Environmental Emergencies
- 43 Anaphylaxis
- 44 Hyperthermia
- 45 Hypothermia
- 46 Overdoses
- Section 11 Trauma
- Section 12 End of Life
- Index
- References
45 - Hypothermia
from Section 10 - Environmental Emergencies
Published online by Cambridge University Press: 02 November 2023
By
Book contents
- Practical Emergency Resuscitation and Critical Care
- Practical Emergency Resuscitation and Critical Care
- Copyright page
- Contents
- Contributors
- Preface
- Section 1 General Critical Care
- Section 2 Infectious Disease Emergencies
- Section 3 Neurological Emergencies
- Section 4 Cardiovascular Emergencies
- Section 5 Respiratory Emergencies
- Section 6 Gastrointestinal Emergencies
- Section 7 Renal Emergencies
- Section 8 Hematology–Oncology Emergencies
- Section 9 Endocrine Emergencies
- Section 10 Environmental Emergencies
- 43 Anaphylaxis
- 44 Hyperthermia
- 45 Hypothermia
- 46 Overdoses
- Section 11 Trauma
- Section 12 End of Life
- Index
- References
Summary
Hypothermia is defined as a core temperature below 35°C (95°F). Primary hypothermia occurs when the body is exposed to a cold environment that overwhelms the body’s compensatory mechanisms to heat loss such as increased muscle tone, shivering and vasoconstriction. Secondary hypothermia is due to the body being unable to maintain normothermia due to a medical condition such as hypothyroidism, adrenal insufficiency or hypoglycemia. Secondary hypothermia is often refractory to rewarming techniques and requires treatment of the underlying medical condition.
- Type
- Chapter
- Information
- Practical Emergency Resuscitation and Critical Care , pp. 465 - 470Publisher: Cambridge University PressPrint publication year: 2023
References
Austin, MA, Maynes, EJ, O’Malley, TJ, et al. Outcomes of extracorporeal life support use in accidental hypothermia: a systematic review. Ann Thorac Surg 2020;110(6):1926–1932.CrossRefGoogle ScholarPubMed
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McCullough, L, Arora, S. Diagnosis and treatment of hypothermia. Am Fam Physician 2004;70:2325–2332.Google ScholarPubMed
Mulcahy, A, & Watts, M. Accidental hypothermia: an evidence-based approach. Emerg Med Pract 2009;11:1.Google Scholar
Sawamoto, K, Tanno, K, Takeyama, Y, et al. Successful treatment of severe accidental hypothermia with cardiac arrest for a long time using cardiopulmonary bypass – report of a case. Int J Emerg Med 2012;5.CrossRefGoogle ScholarPubMed