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Related Concept Videos

Patterns of Fever01:26

Patterns of Fever

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

Increased Body Temperature

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 response to an infection or illness.
Types of Fever01:25

Types of Fever

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:
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:
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...

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Related Experiment Video

Updated: May 30, 2026

Measuring Frailty in HIV-infected Individuals. Identification of Frail Patients is the First Step to Amelioration and Reversal of Frailty
05:53

Measuring Frailty in HIV-infected Individuals. Identification of Frail Patients is the First Step to Amelioration and Reversal of Frailty

Published on: July 24, 2013

[Persistent fever in the elderly].

P Krähenmann1, R Dürig, P Sendi

  • 1Universitätsklinik für Allgemeine Innere Medizin, Inselspital, Universitätsspital Bern. andreas.oestmann@insel.ch

Praxis
|August 12, 2011
PubMed
Summary
This summary is machine-generated.

A symptomatic acute Cytomegalovirus (CMV) infection was diagnosed in an immunocompetent 68-year-old woman presenting with persistent fever. The infection was associated with partial thrombosis in a left portal vein branch.

Related Experiment Videos

Last Updated: May 30, 2026

Measuring Frailty in HIV-infected Individuals. Identification of Frail Patients is the First Step to Amelioration and Reversal of Frailty
05:53

Measuring Frailty in HIV-infected Individuals. Identification of Frail Patients is the First Step to Amelioration and Reversal of Frailty

Published on: July 24, 2013

Area of Science:

  • Infectious Diseases
  • Hepatology
  • Vascular Medicine

Context:

  • Cytomegalovirus (CMV) infections are common but typically asymptomatic in immunocompetent individuals.
  • Portal vein thrombosis (PVT) is a rare complication of CMV infection, particularly in immunocompetent hosts.
  • Persistent fever can be a challenging diagnostic presentation in clinical practice.

Purpose:

  • To report a rare case of symptomatic acute CMV infection presenting with fever in an immunocompetent patient.
  • To highlight the association between CMV infection and portal vein thrombosis.
  • To discuss the diagnostic and management considerations for such cases.

Summary:

  • A 68-year-old immunocompetent woman presented with persistent fever.
  • Diagnostic workup revealed symptomatic acute Cytomegalovirus (CMV) infection.
  • The patient also exhibited partial thrombosis of the left portal vein branch, a rare complication.

Impact:

  • This case underscores the importance of considering CMV infection in the differential diagnosis of fever of unknown origin, even in immunocompetent individuals.
  • It highlights a rare but serious vascular complication (portal vein thrombosis) associated with CMV.
  • Clinicians should maintain a high index of suspicion for CMV and its potential complications in patients with unexplained fever and thrombosis.