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Related Concept Videos

Decreased Body Temperature01:29

Decreased Body Temperature

A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by sustained extreme cold exposure, and severe...
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
Methods of reducing fever01:22

Methods of reducing fever

The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
Factors Affecting Body Temperature01:28

Factors Affecting Body Temperature

As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
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Cardiopulmonary Resuscitation IV: Pharmacological Management01:25

Cardiopulmonary Resuscitation IV: Pharmacological Management

Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...

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Updated: Jun 26, 2026

In vitro Assessment of Myocardial Protection following Hypothermia-Preconditioning in a Human Cardiac Myocytes Model
08:22

In vitro Assessment of Myocardial Protection following Hypothermia-Preconditioning in a Human Cardiac Myocytes Model

Published on: October 27, 2020

Hypothermia during cardiac surgery.

Juan-Manuel Campos1, Pilar Paniagua

  • 1Department of Anaesthesia, University Hospital of Santa Creu i Sant Pau, Avdo. S. Antoni Ma Claret, 167, Barcelona 08025, Spain. jmcampos8@ono.com

Best Practice & Research. Clinical Anaesthesiology
|January 14, 2009
PubMed
Summary
This summary is machine-generated.

Hypothermia during cardiac surgery impacts ischemia, coagulation, and brain function. A new protocol using mild hypothermia and active warming may prevent brain damage from rapid rewarming.

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Last Updated: Jun 26, 2026

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Published on: October 27, 2020

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Area of Science:

  • Cardiovascular Surgery
  • Physiology
  • Anesthesiology

Background:

  • Hypothermia is a critical factor during cardiac surgery, affecting physiological processes.
  • Core body temperature management during cardiopulmonary bypass influences patient outcomes.
  • Rewarming strategies can lead to adverse effects, particularly neurocognitive dysfunction.

Purpose of the Study:

  • To elucidate the incidence, mechanisms, and consequences of hypothermia in cardiac surgery.
  • To evaluate temperature monitoring sites and their correlation with central temperature and brain oxygenation.
  • To discuss implications of modern cardiac techniques on temperature preservation and propose an optimized protocol.

Main Methods:

  • Review of hypothermia's effects on ischemia, coagulation, and inflammatory response.
  • Analysis of temperature management during cardiopulmonary bypass and rewarming.
  • Evaluation of temperature monitoring correlations and assessment of modern surgical techniques.

Main Results:

  • Hypothermia influences myocardial protection, coagulation, and inflammation.
  • Rewarming temperature is linked to postoperative neurocognitive dysfunction.
  • Accurate temperature monitoring is crucial for assessing brain oxygenation.

Conclusions:

  • Optimizing intraoperative temperature management is vital for preventing adverse events.
  • A protocol combining mild hypothermia with peripheral active warming may mitigate rewarming-induced brain damage.
  • Further research into temperature preservation during novel cardiac surgical techniques is warranted.