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Related Concept Videos

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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Increased Body Temperature01:25

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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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Arboviral Encephalitis01:25

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Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
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Viral Meningitis01:18

Viral Meningitis

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Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
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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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Patterns of Fever01:26

Patterns of Fever

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Before understanding the types and patterns of fever, it is essential to know its phases.
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Neurogenic Fever.

Kevin Meier1, Kiwon Lee1

  • 11 Department of Neurosurgery, The University of Texas Medical School at Houston, Houston, TX, USA.

Journal of Intensive Care Medicine
|January 17, 2016
PubMed
Summary
This summary is machine-generated.

Fever negatively impacts patients with acute brain injuries, increasing risks for poor outcomes. Understanding causes like neurogenic fever is crucial for better intensive care management.

Keywords:
neurogenic feverneuroscience ICUparoxysmal sympathetic hyperactivity

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Area of Science:

  • Neurology
  • Intensive Care Medicine
  • Critical Care

Background:

  • Fever is common in intensive care units (ICUs), with diverse potential causes including sepsis, drug reactions, and post-surgical inflammation.
  • Acute neurological injuries, such as stroke, subarachnoid hemorrhage, and traumatic brain injury, are associated with worse outcomes when accompanied by fever.
  • Neurological conditions themselves can precipitate fever, particularly through mechanisms affecting the hypothalamus, leading to neurogenic fevers.

Purpose of the Study:

  • To review the detrimental effects of fever on patients with acute neurological injuries.
  • To explore the risk factors associated with developing fever in the intensive care setting.
  • To discuss the diagnosis and implications of neurogenic fever in neurologically impaired patients.

Main Methods:

  • This review synthesizes existing evidence from medical literature.
  • It focuses on studies examining fever in the context of acute neurological injury.
  • The review analyzes the pathophysiology and clinical presentation of neurogenic fever and related hyperthermia syndromes.

Main Results:

  • Fever is consistently linked to poorer outcomes in patients with acute stroke, subarachnoid hemorrhage, and traumatic brain injury.
  • Neurogenic fever, often associated with hypothalamic dysfunction, is a recognized complication in severe brain injuries.
  • Paroxysmal sympathetic hyperactivity represents another significant source of hyperthermia in traumatic brain injury patients.

Conclusions:

  • Fever poses a significant threat to neurologically injured patients, exacerbating injury and worsening prognosis.
  • Identifying and managing fever, including neurogenic causes, is critical for improving outcomes in intensive care.
  • Further research into the mechanisms and effective treatments for fever in this population is warranted.