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Increased Body Temperature

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...

Types of Fever

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 fever

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:

Patterns of Fever

Patterns of Fever

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

Decreased Body Temperature

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...

Acute Pharyngitis

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

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Related Experiment Video

Updated: Jul 4, 2025

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management

Published on: November 21, 2017

A 35-Year-Old Man with Fever.

Chad McCormick¹, Brandon McMahon¹, John Galatowitsch¹

¹from the University of Colorado Department of Medicine.

|February 6, 2024

Summary

This case study explores the diagnostic approach for a 35-year-old man with persistent fever and left abdominal pain. It details the evaluation process and potential diagnoses for prolonged fever of unknown origin.

Area of Science:

Internal Medicine
Diagnostic Challenges

Background:

Persistent fever and abdominal pain are common yet complex diagnostic challenges.
A systematic approach is crucial for accurate diagnosis in adult patients.

Observation:

A 35-year-old man presented with a two-week history of fever and left-sided abdominal pain.
The patient's symptoms prompted a comprehensive diagnostic workup.

Findings:

The evaluation involved a detailed medical history, physical examination, and targeted investigations.
Differential diagnoses considered included infectious, inflammatory, and neoplastic conditions.

Implications:

This case highlights the importance of a thorough diagnostic strategy for undifferentiated fever.

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Effective management relies on identifying the underlying cause of prolonged fever and abdominal pain.