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Related Concept Videos

Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's forehead...
Pericarditis II: Clinical Features and Diagnostic Tests01:19

Pericarditis II: Clinical Features and Diagnostic Tests

Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Temperature Measurement Sites01:14

Temperature Measurement Sites

A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Pericarditis I: Introduction01:22

Pericarditis I: Introduction

Pericarditis is defined as the inflammation of the pericardium, the thin, sac-like membrane surrounding the heart. This condition can cause significant chest pain and other symptoms, often necessitating medical intervention. The pericardium has two layers: the inner visceral layer and the outer parietal layer, separated by a small amount of fluid that reduces friction during heartbeats.Types of PericarditisPericarditis can be classified into several types based on the duration and nature of the...

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Related Experiment Video

Updated: May 28, 2026

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis

Published on: February 8, 2019

[Temporal arteritis: a confounding diagnosis].

Joana Lemos1, Alexandra Vaz, Marta Mós

  • 1Serviço de Medicina Interna, Hospital São Teotónio, Viseu, Portugal.

Acta Medica Portuguesa
|October 21, 2011
PubMed
Summary

Giant cell temporal arteritis, a vasculitis affecting arteries, can present with atypical symptoms like fever and cough. Early diagnosis is crucial, as these symptoms may mimic respiratory infections, delaying treatment.

Related Experiment Videos

Last Updated: May 28, 2026

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis

Published on: February 8, 2019

Area of Science:

  • Vascular Medicine
  • Rheumatology
  • Internal Medicine

Background:

  • Giant cell temporal arteritis (GCTA) is a chronic vasculitis affecting medium and large arteries, primarily the extracranial branches of the aortic arch.
  • It is a leading cause of preventable blindness in the elderly.

Observation:

  • A 73-year-old woman presented with a 3-week history of unexplained fever, fatigue, nonproductive cough, and throat pain, initially treated as a respiratory infection.
  • Her symptoms progressed to include bilateral temporal headache and visual disturbances.
  • Physical examination revealed fever and bilateral thickened, tender temporal arteries.

Findings:

  • Laboratory tests showed an elevated erythrocyte sedimentation rate.
  • A temporal artery biopsy confirmed the diagnosis of giant cell temporal arteritis.
  • The case highlights that 10% of GCTA cases present with symptoms like throat pain, cough, and fever, which can be misdiagnosed.

Implications:

  • Misdiagnosis of GCTA as a respiratory infection can lead to significant delays in appropriate treatment.
  • Prompt recognition of GCTA, even with atypical symptoms, is essential to prevent severe complications such as vision loss.
  • This case underscores the importance of considering GCTA in the differential diagnosis of unexplained fever and constitutional symptoms in older adults.