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Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

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The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
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Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
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Related Experiment Video

Updated: Nov 6, 2025

Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology
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Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology

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Primary acrocyanosis.

Yuki Takeuchi1, Junji Tsukagoshi2

  • 1Teine Family Medicine Clinic Sapporo Japan.

Journal of General and Family Medicine
|May 12, 2021
PubMed
Summary
This summary is machine-generated.

Primary acrocyanosis is a benign condition causing persistent blue extremities due to vasospasm. This condition affects the peripheral circulation, leading to discoloration.

Keywords:
acrocyanosisfamily medicine

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Area of Science:

  • Vascular Medicine
  • Dermatology

Background:

  • Primary acrocyanosis is a rare condition.
  • It is characterized by persistent blue discoloration of the extremities.

Purpose of the Study:

  • To describe the clinical characteristics of primary acrocyanosis.
  • To differentiate it from other conditions causing peripheral cyanosis.

Main Methods:

  • Literature review of primary acrocyanosis.
  • Analysis of case reports and clinical studies.

Main Results:

  • Primary acrocyanosis presents as symmetrical, persistent blue-grey discoloration of hands and feet.
  • It is typically associated with cold exposure and emotional stress.
  • Vasospasm of the small vessels in the extremities is the underlying mechanism.

Conclusions:

  • Primary acrocyanosis is a benign, non-progressive condition.
  • It does not typically lead to ulceration or gangrene.
  • Distinguishing it from secondary causes of cyanosis is crucial for appropriate management.