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Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Related Experiment Video

Updated: Aug 26, 2025

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice
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Left Ventricular Angiogram in Constrictive Pericarditis.

A Shaheer Ahmed1, Gauravkumar Divani, Nitish Rai

  • 1Department of Cardiology, 7th Floor, Super Speciality Block, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, 110029 India. ahmedshaheer53@gmail.com.

The Journal of Invasive Cardiology
|October 6, 2022
PubMed
Summary
This summary is machine-generated.

Constrictive pericarditis in a 14-year-old boy impaired circumferential heart muscle contraction due to pericardial calcification, despite preserved longitudinal function. Surgical pericardiectomy was recommended.

Keywords:
constrictive pericarditisleft ventricular angiogram

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Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Infectious Disease

Background:

  • Constrictive pericarditis can cause significant cardiac dysfunction.
  • Tuberculosis is a known risk factor for constrictive pericarditis, particularly in endemic areas.
  • Impaired ventricular contraction is a hallmark of this condition.

Observation:

  • A 14-year-old male presented with dyspnea and fatigue.
  • He had a history of tuberculosis and presented with signs of heart failure.
  • Cardiac imaging revealed pericardial calcification and severely impaired circumferential left ventricular contraction, with preserved longitudinal contraction.

Findings:

  • Constrictive pericarditis was diagnosed, characterized by pericardial calcification.
  • The findings suggest subepicardial myocardial fiber involvement leading to reduced circumferential shortening.
  • Preserved longitudinal contraction indicates intact subendocardial fiber function.

Implications:

  • This case highlights the impact of constrictive pericarditis on ventricular mechanics.
  • Understanding the differential impact on myocardial contraction is crucial for diagnosis and management.
  • Surgical intervention, such as pericardiectomy, may be necessary for symptom relief and improved cardiac function.