S1 is the first heart sound that doctors can hear using a stethoscope. The vibrations that occur when the mitral and tricuspid valves in the heart close produce the S1 sound. There are two common ...

Sam is a Senior Writer for Collider. His love for movies, TV shows, and books stretches back to his early childhood and has grown exponentially with every passing year. Lucky for him, this love grew ...

The new device uses sound waves to gather blood pressure data from blood vessels, monitoring the response with ultrasound. The new technique, called resonance sonomanometry, holds the promise to ...