Question

Draw a graph between intensity and time which show the heart sound ?​

Answer 1

Heart sound can be divided into two parts LUBB and DUP both the sounds are produced on different basics.

1. LUBB-

• It takes 0.15 seconds.

• It is a prolonged process.

• It is low pitched.

• This sound comes at the starting of the ventricular systole process.

• The sound is caused due to Atrioventricular valves or simply AV valves.

Note- See the graph in 1st attachment.

2. DUP-

• It takes short time compared to LUBB sound which is 0.1 second.

• It is high pitched.

• On the begining of the ventricular diastolic process this sound comes.

• Closure of the Semilunar valves is the cause of this sound.

Note- See the graph in 2nd attachment.