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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...
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:
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.
Acute Inflammation II: Local and Systemic Effects01:25

Acute Inflammation II: Local and Systemic Effects

Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
Inflammation: Introduction01:28

Inflammation: Introduction

Inflammation is a fundamental, protective biological response of vascularized tissues to cellular injury, infection, or harmful stimuli. Its primary function is to eliminate the initial cause of injury, clear necrotic cells and damaged tissue, and initiate the necessary repair processes.Cardinal SignsAcute inflammation presents with classic signs. Redness results from vasodilation and increased blood flow. Heat is due to increased metabolism and circulation. Swelling results from the...

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Related Experiment Video

Updated: May 8, 2026

Medicated Thread Moxibustion Therapy of Zhuang Medicine and its Application in a Rat Model of Cold-Congealing Syndrome of Primary Dysmenorrhea
04:35

Medicated Thread Moxibustion Therapy of Zhuang Medicine and its Application in a Rat Model of Cold-Congealing Syndrome of Primary Dysmenorrhea

Published on: January 19, 2024

Cold, red, itching, and miserable.

Matthew Barnes1, Colin Linthicum, Carolyn Hardin

  • 1Wilford Hall Family Medicine Clinic, 2200 Bergquist Dr., Lackland AFB, San Antonio, TX 78209, USA.

Military Medicine
|September 6, 2013
PubMed
Summary
This summary is machine-generated.

A case study details a 29-year-old woman diagnosed with acquired cold urticaria (ACU). The study explores ACU diagnosis, differential diagnoses, and treatment options for this cold-induced condition.

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Last Updated: May 8, 2026

Medicated Thread Moxibustion Therapy of Zhuang Medicine and its Application in a Rat Model of Cold-Congealing Syndrome of Primary Dysmenorrhea
04:35

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Published on: January 19, 2024

Herbs-Partitioned Moxibustion on the Navel in a Rat Model of Primary Dysmenorrhea with Cold Coagulation and Blood Stasis
05:36

Herbs-Partitioned Moxibustion on the Navel in a Rat Model of Primary Dysmenorrhea with Cold Coagulation and Blood Stasis

Published on: October 4, 2024

Area of Science:

  • Dermatology
  • Allergy and Immunology
  • Military Medicine

Background:

  • Acquired cold urticaria (ACU) is a rare condition characterized by hives upon cold exposure.
  • Understanding ACU is crucial for accurate diagnosis and management, particularly in diverse populations.

Observation:

  • A 29-year-old female military member with no prior medical history presented with symptoms of cold urticaria.
  • Clinical presentation was consistent with primary acquired cold urticaria.

Findings:

  • The case highlights the importance of a thorough diagnostic workup for acquired cold urticaria.
  • Differential diagnosis considerations are essential to rule out other conditions presenting with cold hypersensitivity.

Implications:

  • This case study provides a framework for evaluating and managing acquired cold urticaria in clinical practice.
  • Effective treatment strategies are vital for improving the quality of life for individuals with ACU.