<unk> s of common murmurs. A<unk>  (or<unk>  is a plot of high-fidelity recording of the sounds and murmurs made by the heart with the help of the machine called the<unk> h; thus,<unk> hy is the recording of all the sounds made by the heart during a cardiac cycle.
Phonocardiogram
Magnetocardiography
Ballistocardiography
Vectorcardiography
Doppler echocardiography
Cardiac electrophysiology
Impedance cardiography
Electrocochleography