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[Stetho-acoustic cardiomyopathy--characteristics in cardiomyopathies studied by echocardiography]
1Zentralinstitut für Herz-Kreislauf-Forschung, Akademie der Wissenschaften der DDR Berlin-Buch.
Insights
Cardiomyopathy diagnosis can be enhanced by listening for specific heart murmurs. Stethoacoustic investigations revealed unique sounds for hypertrophic, apical hypertrophic, obstructive, and dilatative cardiomyopathies.
Area of Science:
- Cardiology
- Auscultation
- Biomedical Acoustics
Context:
- Echocardiography is a standard diagnostic tool for cardiomyopathy.
- Specific heart sounds may provide additional diagnostic information.
- Stethoacoustic investigations offer a non-invasive method for cardiac assessment.
Purpose:
- To investigate if distinct stethoacoustic findings correlate with different forms of cardiomyopathy.
- To identify and characterize specific heart murmurs associated with four types of cardiomyopathy.
Summary:
- Performed stethoacoustic investigations on four cardiomyopathy types diagnosed via echocardiography.
- Identified unique murmurs: hypertrophic murmur (mesosystolic/protomesosystolic interval) in non-obstructive hypertrophic cardiomyopathy.
- Detected apical hypertrophic murmur (mesosystolic) in apical hypertrophic cardiomyopathy.
- Found obstruction murmur (mesotelesystolic) in obstructive hypertrophic cardiomyopathy.
- Observed dilatation murmur (immediate systolic) in congestive obstructive cardiomyopathy (COCM).
Impact:
- Specific heart murmurs can aid in differentiating between various cardiomyopathy forms.
- Stethoacoustic findings may complement echocardiography in diagnosing cardiomyopathy.
- This research highlights the diagnostic potential of auscultation in complex cardiac conditions.
Abstract:
In 4 different forms of cardiomyopathy which had been diagnosed echocardiographically we performed stethoacoustic investigations. Hereby each of these 4 different forms of cardiomyopathy developed a specific noise. In the patients with hypertrophic non-obstructive cardiomyopathy we found a mesosystolic to protomesosystolic interval murmur in 2 L 1 and called it hypertrophic murmur. In the apical hypertrophic cardiomyopathy we found a mesosystolic murmur above the apex and called it apical hypertrophic murmur. In the obstructive cardiomyopathy (hypertrophic obstructive cardiomyopathy) we found a mesotelesystolic murmur in 4 L 3 and called it obstruction murmur. In the dilatative cardiomyopathy (COCM) existed an immediate systolic murmur above the apex and we called it dilatation murmur.