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Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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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...
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Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

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Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

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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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Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

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Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
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Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

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A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
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Pneumothorax-I01:26

Pneumothorax-I

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A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
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Related Experiment Video

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Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
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Critical Pulmonary Stenosis.

Smrithy Jacob1, Philip T Levy2, Shawn Sen3

  • 1Division of Pediatric Cardiology, University of Nebraska Medical Center, Omaha, NE, USA.

Clinics in Perinatology
|November 13, 2025
PubMed
Summary
This summary is machine-generated.

Critical pulmonary stenosis, a severe right ventricular outflow obstruction, necessitates interventions for newborn blood flow. Echocardiography guides treatment, with balloon valvuloplasty preferred, while long-term monitoring is crucial for managing potential complications.

Keywords:
Balloon pulmonary valvuloplastyCritical pulmonary stenosisRight ventricular outflow tract obstruction

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Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
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Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
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Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Medical Interventions

Background:

  • Critical pulmonary stenosis involves severe narrowing of the right ventricular outflow tract.
  • This condition obstructs blood flow to the pulmonary artery, often requiring ductal patency for survival post-birth.

Purpose of the Study:

  • To summarize the diagnosis, treatment, and long-term management of critical pulmonary stenosis.
  • To highlight current therapeutic strategies and future directions in managing this congenital heart defect.

Main Methods:

  • Diagnosis is primarily established through echocardiography.
  • Treatment involves percutaneous balloon valvuloplasty as the initial approach.
  • Surgical intervention is reserved for specific cases not amenable to valvuloplasty.

Main Results:

  • Echocardiography effectively identifies the severity and hemodynamic impact of pulmonary stenosis.
  • Percutaneous balloon valvuloplasty demonstrates success in relieving obstruction.
  • Long-term follow-up is critical due to the potential for restenosis, pulmonary regurgitation, and need for reintervention.

Conclusions:

  • Critical pulmonary stenosis requires prompt diagnosis and intervention.
  • Percutaneous balloon valvuloplasty is the preferred initial treatment, with surgery as an alternative.
  • Ongoing research in fetal therapy and valve replacement holds promise for improved long-term outcomes.