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Coronary Artery-to-Superior Vena Cava Fistula: Contemporary Role of Phonocardiography in Diagnosis.
CASE (Phila)
August 2024
Innovation Health Service, Norfolk, Virginia.
• An uncommon case of coronary artery–to–SVC fistula is described. • Knowledge of the associated physical examination with TTE findings aids diagnosis. • New POCUS systems with microphones directly correlate murmurs and pathology.
View Article and Find Full Text PDFSeparation of heart sounds and heart murmurs by Hilbert transform envelogram.
J Med Eng Technol
August 2013
Genie-Biomedical Laboratory (GBM), Department of Electronics, Faculty of Technology, University of Aboubekr Belkaid - Tlemcen, BP 119, Tlemcen 13000, Algeria.
Heart sounds and murmurs provide crucial diagnosis information for several heart diseases such as natural or prosthetic valve dysfunction and heart failure. Many pathological conditions of the cardiovascular system cause murmurs and aberrations in heart sounds. Phonocardiography provides the clinician with a complementary tool to record the heart sounds heard during auscultation.
View Article and Find Full Text PDFWavelet-based segmentation and feature extraction of heart sounds for intelligent PDA-based phonocardiography.
Methods Inf Med
May 2007
Electrical and Computer Engineering, The University of Texas at El Paso, El Paso, Texas 79968, USA.
Objectives: Many pathological conditions of the cardiovascular system cause murmurs and aberrations in heart sounds. Phonocardiography provides the clinician with a complementary tool to record the heart sounds heard during auscultation. The advancement of intracardiac phonocardiography combined with modern digital signal processing techniques has strongly renewed researchers' interest in studying heart sounds and murmurs.
View Article and Find Full Text PDF157 patients with congenital heart disease were examined clinically and echocardiographically. Patients with interventricular septal defect, interatrial septal defect or patent ductus arteriosus having typical organic murmur exhibited atypical sound oscillations forming concording epicenter (42.3% of patients).
View Article and Find Full Text PDFHemodynamic correlates of the third heart sound during the evolution of chronic heart failure.
J Am Coll Cardiol
February 1993
Department of Medicine Henry Ford Heart and Vascular Institute, Detroit, Michigan.
Objectives: The purpose of this study was to examine the temporal relation between the development of a third heart sound during the course of evolving heart failure and associated hemodynamic abnormalities.
Background: Although various theories have been proposed to explain the origin of the third heart sound, the exact origin of this sound remains unknown.
Methods: Studies were performed in seven dogs in which heart failure was produced by multiple sequential intracoronary micro-embolizations.
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