ballistocardiography การใช้

• This frequency range is utilized for monitoring earthquakes, charting rock and petroleum formations below the earth, and also in ballistocardiography and seismocardiography to study the mechanics of the heart.
• "' Isaac " Ike " Starr "'( March 6, 1895  June 22, 1989 ), known as the father of ballistocardiography, was an American physician, heart disease specialist, and clinical epidemiologist notable for developing the first practical ballistocardiograph.