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Related Experiment Video

Updated: Jun 21, 2026

Evaluation of Right Ventricular Function in Experimental Models of Pulmonary Arterial Hypertension

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Published on: June 27, 2025

[Diagnostics in pulmonary hypertension].

M Leschke¹, A Wädlich, S Waldenmaier

¹Klinik für Kardiologie, Pneumologie und Angiologie, Klinikum Esslingen, Hirschlandstrasse 97, 73730, Esslingen, Deutschland. m.leschke@klinikum-esslingen.de

|July 11, 2009

Summary

This summary is machine-generated.

Diagnosing pulmonary hypertension involves suspecting symptoms like shortness of breath and right heart failure. Echocardiography is key for diagnosis and monitoring, with right heart catheterization for definitive confirmation.

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Area of Science:

Cardiology
Pulmonology
Medical Diagnostics

Context:

Pulmonary hypertension (PH) is often suspected due to exertional dyspnea or right heart failure signs.
The Venice classification guides the diagnostic approach and PH classification.
Initial investigations include ECG, chest X-ray, lung function tests, and echocardiography.

Purpose:

To outline the diagnostic pathway for pulmonary hypertension.
To highlight the role of echocardiography as a primary diagnostic and monitoring tool.
To detail the definitive diagnostic requirements including right heart catheterization.

Summary:

Echocardiography is the most crucial non-invasive test for diagnosing PH, assessing right ventricular changes, and monitoring treatment.
Doppler echocardiography estimates pulmonary arterial pressure via tricuspid regurgitation velocity.
CT scans help rule out pulmonary embolism and lung disorders, while MRI assesses right ventricular function and hemodynamics.
The 6-minute walk test and cardiopulmonary exercise test evaluate PH severity and prognosis.
Right heart catheterization remains essential for definitive PH diagnosis, measuring pulmonary vascular resistance, and assessing reversibility.

Impact:

Establishes a clear diagnostic algorithm for pulmonary hypertension.
Emphasizes the central role of echocardiography in PH management.
Defines the necessity of right heart catheterization for confirmed diagnosis and treatment planning.