René Laennec, partly to protect the modesty of his female patients but also to make it possible to listen to the heart sounds of an obese woman, designs for stethoscopes have come to the familiar ...

Researchers from the University of Glasgow led the development of the new system, which uses radar to track patients' heart ...

Remember: Systole occurs between the S1 and S2 heart sounds ... Remember: High-pitched sounds are heard with the diaphragm of the stethoscope, while low-pitched sounds are heard with the bell.