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Related Concept Videos

Disorders of Acid-Base Balance01:29

Disorders of Acid-Base Balance

The human body maintains a precise pH range of arterial blood between 7.35 and 7.45. Deviations result in either acidosis (pH < 7.35) or alkalosis (pH > 7.45). These conditions are further classified as respiratory or metabolic disorders based on their underlying cause.
Respiratory Acidosis and Alkalosis
Respiratory acidosis occurs due to an increase in the partial pressure of carbon dioxide PCO2 in the blood. It often arises from shallow breathing or impaired gas exchange caused by...
Bronsted-Lowry Acids and Bases02:58

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The acid-base reaction class has been studied for quite some time. In 1680, Robert Boyle reported traits of acid solutions that included their ability to dissolve many substances, to change the colors of certain natural dyes, and to lose these traits after coming in contact with alkali (base) solutions. In the eighteenth century, it was recognized that acids have a sour taste, react with limestone to liberate a gaseous substance (now known to be CO2), and interact with alkalis to form neutral...
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Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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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Related Experiment Video

Updated: May 19, 2026

Fingerprinting Cardiolipin in Leukocytes by Mass Spectrometry for a Rapid Diagnosis of Barth Syndrome
06:48

Fingerprinting Cardiolipin in Leukocytes by Mass Spectrometry for a Rapid Diagnosis of Barth Syndrome

Published on: March 23, 2022

Achenbach's syndrome revisited.

Katharina Thies1, Ulrich Beschorner, Elias Noory

  • 1University Heart Center Freiburg-Bad Krozingen, Bad Krozingen, Germany. katharina.thies@universitaetsherzzentrum.de

VASA. Zeitschrift Fur Gefasskrankheiten
|August 24, 2012
PubMed
Summary

Achenbach's syndrome, or paroxysmal finger hematoma, is a benign condition causing recurring finger bruising. Increased clinical awareness can prevent unnecessary diagnostic procedures for this harmless disorder.

Related Experiment Videos

Last Updated: May 19, 2026

Fingerprinting Cardiolipin in Leukocytes by Mass Spectrometry for a Rapid Diagnosis of Barth Syndrome
06:48

Fingerprinting Cardiolipin in Leukocytes by Mass Spectrometry for a Rapid Diagnosis of Barth Syndrome

Published on: March 23, 2022

Area of Science:

  • Vascular Medicine
  • Dermatology

Background:

  • Achenbach's syndrome, also known as paroxysmal finger hematoma, is a rare disorder.
  • Characterized by spontaneous or trauma-induced bruising on the volar finger surface.

Observation:

  • Seven cases were reported from an angiologic out-patient clinic.
  • Patients experienced recurring episodes of finger bruising.
  • The condition resolved spontaneously within days.

Findings:

  • Patients were asymptomatic between episodes of bruising.
  • Despite its benign nature, the condition prompted patient referral.

Implications:

  • Highlights the need for increased clinician awareness of Achenbach's syndrome.
  • Aims to prevent misdiagnoses and avoid unnecessary diagnostic procedures.
  • Emphasizes the generally harmless nature of paroxysmal finger hematoma.