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Related Concept Videos

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

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In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...
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Diseases of the Liver and Gallbladder01:26

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Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
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Gross Anatomy of the Liver

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The liver, the largest gland within the human body, is a firm and reddish-brown organ. This wedge-shaped structure weighs approximately 1.5 kg and occupies a significant portion of the right hypochondriac and epigastric regions. It extends more to the right of the body's midline than to the left.
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Liver Histology

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The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
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The liver, an essential organ in the human body, performs over 200 vital functions that can be broadly categorized into metabolic, hematological, endocrine regulation, and bile production.
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Esophageal Varices-II: Clinical Features and Management

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Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
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Related Experiment Videos

Disappearing liver sign.

Y H Loh1, G D Dunn

  • 1Medical Imaging Department, Nepean Hospital, Penrith and Department of Radiology, Concord Repatriation General Hospital, Concord, New South Wales, Australia.

Australasian Radiology
|March 21, 2002
PubMed
Summary
This summary is machine-generated.

Pneumothorax, a complication of liver biopsy, can be detected in real-time using ultrasound. The disappearing liver image on the monitor indicates this complication, with reasons discussed.

Related Experiment Videos

Area of Science:

  • Medical Imaging
  • Interventional Radiology
  • Pulmonology

Background:

  • Ultrasound-guided percutaneous liver biopsy is a common procedure.
  • Pneumothorax is a known complication of liver biopsy.
  • Early detection of pneumothorax is crucial for patient management.

Purpose of the Study:

  • To describe a real-time ultrasound sign for detecting pneumothorax during liver biopsy.
  • To explain the underlying reasons for this ultrasound finding.

Main Methods:

  • Observation of ultrasound images during percutaneous liver biopsy.
  • Correlation of visual changes on the monitor with the development of pneumothorax.

Main Results:

  • A specific ultrasound finding, the disappearance of the liver image, reliably indicates pneumothorax.
  • This visual cue allows for immediate recognition of the complication.

Conclusions:

  • The disappearing liver sign on real-time ultrasound is a valuable tool for detecting pneumothorax post-liver biopsy.
  • This method aids in prompt diagnosis and management of this complication.