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Related Concept Videos

Portal Hypertension01:22

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
Venous Return01:04

Venous Return

The circulatory system plays a crucial role in ensuring the optimal functioning of the human body. One of its critical components is venous return - the process that completes the blood circulation cycle. This article will delve into the concept of venous return, how it works, and its significance to our health.
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system as it...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above the...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Venous Thrombosis IV: Nursing Management01:30

Venous Thrombosis IV: Nursing Management

Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...

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Related Experiment Video

Updated: Jun 28, 2026

Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy
07:10

Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy

Published on: June 18, 2020

Hepatic venous pressure gradient: worth another look?

Sameer Parikh1

  • 1Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA. parikh@bcm.edu

Digestive Diseases and Sciences
|November 1, 2008
PubMed
Summary

Measuring the hepatic venous pressure gradient (HVPG) helps manage portal hypertension in chronic liver disease. Achieving specific HVPG targets significantly reduces complications, guiding treatment for cirrhosis patients.

Area of Science:

  • Hepatology
  • Gastroenterology
  • Clinical Medicine

Background:

  • Portal hypertension is a major complication of chronic liver disease, leading to significant morbidity and mortality.
  • Hepatic venous pressure gradient (HVPG) measurement is a key diagnostic tool for assessing portal venous pressure.

Purpose of the Study:

  • To review the contemporary role of HVPG measurement in managing patients with cirrhosis and portal hypertension.
  • To highlight how HVPG guides therapy for variceal bleeding and hepatocellular cancer.
  • To emphasize HVPG's role in predicting treatment response in chronic hepatitis C.

Main Methods:

  • The review synthesizes current literature on HVPG measurement.
  • It focuses on the clinical applications and hemodynamic targets of HVPG.

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Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE) Using Ultrasound Imaging with a Focus on Identifying Portal Hypertension
06:20

Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE) Using Ultrasound Imaging with a Focus on Identifying Portal Hypertension

Published on: December 5, 2020

Demystifying Venous Excess Ultrasound (VExUS): Image Acquisition and Interpretation
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Demystifying Venous Excess Ultrasound (VExUS): Image Acquisition and Interpretation

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Last Updated: Jun 28, 2026

Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy
07:10

Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy

Published on: June 18, 2020

Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE) Using Ultrasound Imaging with a Focus on Identifying Portal Hypertension
06:20

Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE) Using Ultrasound Imaging with a Focus on Identifying Portal Hypertension

Published on: December 5, 2020

Demystifying Venous Excess Ultrasound (VExUS): Image Acquisition and Interpretation
05:49

Demystifying Venous Excess Ultrasound (VExUS): Image Acquisition and Interpretation

Published on: May 16, 2025

  • Data on HVPG's utility in various liver disease complications are discussed.

    • Main Results:

    • HVPG measurement provides an estimate of intrahepatic portal flow resistance.
    • Achieving HVPG <10 mmHg or a 20% reduction from baseline minimizes portal hypertension complications.
    • HVPG guides prophylaxis for variceal bleeding and assesses surgical resectability for cancer.

    Conclusions:

    • HVPG is crucial for contemporary management of portal hypertension in cirrhosis.
    • Hemodynamic monitoring via HVPG is essential for optimizing patient outcomes.
    • Targeted HVPG reduction is a cornerstone of effective portal hypertension therapy.