Figure 200b

Left panel: The base and apex phonocardiograms are recorded simultaneously with the arctic valve echocardiogram. The first high-frequency component of A2 is coincident with the completion of closure of the aortic valve.

Right panel: Base and apex eight phonocardiogram are recorded with the pulmonary valve echocardiogram. The first high-frequency component of P2 is coincident with the completion of closure of the pulmonary valve.

click to close window