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Related Concept Videos

Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
Cardiovascular System Abnormal Findings II: Auscultation01:25

Cardiovascular System Abnormal Findings II: Auscultation

Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
Gallops:
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Overview of Pulmonary Circulation01:19

Overview of Pulmonary Circulation

The pulmonary circulation is a vital system in our body that acts as a bridge between the respiratory and cardiovascular systems. It serves as a transport network for deoxygenated blood from the heart to the lungs and then returns oxygen-rich blood back to the heart.
The process begins with the right ventricle of the heart pumping deoxygenated blood into the pulmonary trunk. This large vessel extends about 5 centimeters before splitting into the left and right pulmonary arteries. These arteries...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...

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Updated: May 24, 2026

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)
13:10

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

Published on: April 24, 2017

Isolated right pulmonary artery discontinuity.

D Turner1, J Vincent, M Epstein

  • 1Senior Fellow, Division of Cardiology, Children's Hospital of Michigan, Department of Pediatrics, Wayne State University School of Medicine, Detroit, Michigan, USA.

Images in Paediatric Cardiology
|February 28, 2012
PubMed
Summary

Unilateral pulmonary artery discontinuity, often mistaken as absence, is a rare congenital anomaly. This case highlights a right pulmonary artery discontinuity without congenital heart disease, emphasizing its unique embryogenesis and treatment.

Keywords:
CatheterizationHeart defectsPulmonary arterycongenital

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Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
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Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

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A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep
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A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

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Related Experiment Videos

Last Updated: May 24, 2026

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)
13:10

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)

Published on: April 24, 2017

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
09:22

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Published on: November 4, 2015

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep
07:02

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

Published on: July 15, 2021

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Congenital Heart Disease

Background:

  • Unilateral "absence" of the pulmonary artery is an uncommon congenital malformation.
  • This condition is frequently associated with congenital heart disease.
  • The pulmonary artery is typically discontinuous, not truly absent.

Purpose of the Study:

  • To report a rare case of right pulmonary artery discontinuity.
  • To investigate its association with congenital heart disease.
  • To review the embryogenesis and treatment of this anomaly.

Main Methods:

  • Case report of a patient with right pulmonary artery discontinuity.
  • Review of embryogenesis of pulmonary artery anomalies.
  • Review of current treatment strategies for pulmonary artery discontinuity.

Main Results:

  • A case of right pulmonary artery discontinuity was identified.
  • The case was not associated with congenital heart disease.
  • Review confirmed the rarity and varied presentations of this anomaly.

Conclusions:

  • Right pulmonary artery discontinuity can occur in isolation.
  • Understanding embryogenesis is crucial for diagnosis.
  • Management requires individualized treatment approaches.