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Related Concept Videos

Patterns of Fever01:26

Patterns of Fever

4.8K
Before understanding the types and patterns of fever, it is essential to know its phases.
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Increased Body Temperature01:25

Increased Body Temperature

6.4K
A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
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Types of Fever01:25

Types of Fever

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Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
Here are the different types of fever:
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Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

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Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
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Methods of reducing fever01:22

Methods of reducing fever

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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:
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Pneumonia IV: Management01:28

Pneumonia IV: Management

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The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
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Related Experiment Video

Updated: May 4, 2026

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
06:43

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management

Published on: November 21, 2017

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Persistent fever in the ICU.

Tayyab Rehman1, Bennett P deBoisblanc1

  • 1Section of Pulmonary & Critical Care Medicine, Department of Medicine, LSU Health Sciences Center, New Orleans, LA.

Chest
|January 8, 2014
PubMed
Summary

Fever and hyperthermia are distinct elevated body temperature disorders. Managing fever in critically ill patients requires careful evaluation before interventions, as its direct impact on outcomes is unclear.

Area of Science:

  • Critical Care Medicine
  • Physiology
  • Thermoregulation

Background:

  • Elevated body temperature is classified as fever or hyperthermia.
  • Fever involves a pyrogen-mediated hypothalamic set-point change, while hyperthermia signifies a loss of regulatory control.
  • Fever in the Intensive Care Unit (ICU) can stem from infectious or noninfectious origins.

Purpose of the Study:

  • To differentiate fever and hyperthermia in critically ill patients.
  • To outline an initial diagnostic approach for fever in the ICU.
  • To discuss the current understanding and controversies surrounding fever management in critical illness.

Main Methods:

  • Review of clinical data to identify fever sources.
  • Consideration of cultures, imaging, and antibiotics after initial assessment.

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Objective Nociceptive Assessment in Ventilated ICU Patients: A Feasibility Study Using Pupillometry and the Nociceptive Flexion Reflex

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Related Experiment Videos

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Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
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Objective Nociceptive Assessment in Ventilated ICU Patients: A Feasibility Study Using Pupillometry and the Nociceptive Flexion Reflex
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  • Analysis of existing literature on fever's association with mortality and adverse outcomes.

    • Main Results:

    • High or prolonged fever correlates with increased mortality, but causality is not proven in non-neurologic critical illness.
    • The role of fever in adverse outcomes during critical illness remains uncertain.
    • Fever treatment practices are controversial outside acute brain injury contexts.

    Conclusions:

    • A thorough clinical evaluation is crucial for febrile ICU patients before extensive testing and broad-spectrum antibiotics.
    • Evidence is insufficient to establish fever as a direct cause of adverse outcomes in most critical illnesses.
    • High-quality trials are necessary to develop evidence-based guidelines for fever management in critical care.