The New England Journal of Medicine1mon
Variations in the First Apical Sound Simulating the So-Called “Presystolic Murmur of Mitral Stenosis” — A Phonocardiographic Study
We have observed by means of the phonocardiographic technic that auscultatory presystolic murmurs may at times be an auscultatory illusion owing to certain variations in the first heart sound.
The Healthy on MSN16d
8 Silent Signs You May Have Heart Murmur
What is a heart murmur? They can be harmless or signal a more serious heart problem. These are the heart murmur symptoms to ...