Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Venous Return01:04

Venous Return

12.6K
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...
12.6K
Portal Hypertension01:22

Portal Hypertension

23
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...
23
Veins as Blood Reservoirs01:10

Veins as Blood Reservoirs

7.7K
Veins, while chiefly responsible for circulating blood back to the heart, also function as storage vessels for blood. They house approximately 64 percent of the body's total blood volume, a feat made possible by their high capacitance—the inherent ability to expand and accommodate large volumes of blood, even under low pressure. The large diameter and thin walls of veins augment their distensibility, significantly more so than arteries, due to their classification as capacitance...
7.7K
Overview of Systemic Veins01:11

Overview of Systemic Veins

1.7K
Systemic veins are crucial blood vessels that return deoxygenated blood from various body tissues back to the heart. There are three systemic veins that return deoxygenated blood to the heart, they are as follows.
The coronary sinus, the heart's principal vein, resides in the coronary sulcus on the heart's posterior aspect. This broad venous channel receives nearly all venous blood from the myocardium, the heart muscle. It is fed by three primary veins: the great cardiac vein, the...
1.7K
Alterations in Respiration II01:30

Alterations in Respiration II

2.5K
There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
2.5K
Hepatic Portal System01:21

Hepatic Portal System

8.1K
The hepatic portal system, a critical part of our circulatory framework, transports nutrient-laden, deoxygenated blood from the gastrointestinal tract and spleen to the liver. This ingenious system plays an indispensable role in maintaining our body's metabolic equilibrium.
At its core, the hepatic portal vein is the result of a confluence of the superior and inferior mesenteric veins along with the splenic vein. Each of these veins has a unique role. The superior mesenteric vein is...
8.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effect of mechanical circulatory support on outcomes in patients with cardiogenic shock secondary to acute myocardial infarction.

Scientific reports·2026
Same author

Phenotyping cardiogenic shock: an insight from the gulf cardiogenic shock registry.

Frontiers in artificial intelligence·2026
Same author

Severe mitral stenosis as a cause of paradoxical low-flow, low-gradient severe aortic stenosis: an explorative study on hemodynamics and outcomes.

Frontiers in cardiovascular medicine·2025
Same author

Clinical characteristics, management, and outcomes of acute myocardial infarction-related cardiogenic shock patients with and without out-of-hospital cardiac arrest: a Gulf region registry analysis.

Resuscitation plus·2025
Same author

Comparative Analysis of Percutaneous Coronary Intervention and Coronary Artery Bypass Grafting in Left Main Disease Stratification by Angiographic SYNTAX Score.

Angiology·2025
Same author

CLINICAL OUTCOMES OF PATIENTS WITH CARDIOGENIC SHOCK COMPLICATING ACUTE MYOCARDIAL INFARCTION: THE GULF-CARDIOGENIC SHOCK REGISTRY.

Shock (Augusta, Ga.)·2024

Related Experiment Video

Updated: Apr 23, 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

22.9K

Respiratory hemodynamics in the hepatic veins-normal pattern.

Bahaa M Fadel1, Ahmad Alkalbani, Aysha Husain

  • 1King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia.

Echocardiography (Mount Kisco, N.Y.)
|September 16, 2014
PubMed
Summary

Doppler analysis of hepatic veins (HV) reveals how breathing affects blood flow. Understanding these respiratory changes in HV Doppler is key for assessing right heart function and diagnosing related diseases.

Keywords:
Doppler echocardiographyright ventricular function

More Related Videos

Visualization and Analysis of Blood Flow and Oxygen Consumption in Hepatic Microcirculation: Application to an Acute Hepatitis Model
10:40

Visualization and Analysis of Blood Flow and Oxygen Consumption in Hepatic Microcirculation: Application to an Acute Hepatitis Model

Published on: August 4, 2012

12.0K
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

6.8K

Related Experiment Videos

Last Updated: Apr 23, 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

22.9K
Visualization and Analysis of Blood Flow and Oxygen Consumption in Hepatic Microcirculation: Application to an Acute Hepatitis Model
10:40

Visualization and Analysis of Blood Flow and Oxygen Consumption in Hepatic Microcirculation: Application to an Acute Hepatitis Model

Published on: August 4, 2012

12.0K
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

6.8K

Area of Science:

  • Cardiology
  • Echocardiography
  • Physiology

Background:

  • Doppler interrogation of hepatic veins (HVs) is integral to echocardiography.
  • HV Doppler data aids in evaluating right heart function.
  • HV blood flow is influenced by cardiac, hemodynamic, and respiratory factors.

Purpose of the Study:

  • To elucidate the impact of respiration on hepatic vein Doppler patterns.
  • To establish the relationship between respiratory variations in HV Doppler and normal right heart function.

Main Methods:

  • Systematic analysis of hepatic vein Doppler waveforms.
  • Observation of HV blood flow patterns during the respiratory cycle in individuals with normal right heart function.

Main Results:

  • Respiratory variations in HV Doppler demonstrate distinct patterns in healthy individuals.
  • These patterns are influenced by normal cardiac and respiratory mechanics.

Conclusions:

  • Respiration significantly modulates hepatic vein Doppler signals.
  • Analyzing these respiratory dynamics in HV Doppler is crucial for interpreting right heart status and identifying potential pathologies.