ECG simulator using op amp fully electronics

now , i create normal ECG wave signal.....i got p wave & t wave.....& battery supply ±9V , all my circuit input is square from Astable multivariate output(1 kHz square wave but a small spike appear on high to low signal) , then give to frequency divider , (why i divided the frequency because P & T & QRS frequency vairied)then frequency divider output given to integrator(here square wave to triangular wave converted) then integrator output given to wave shape circuit(triangular wave to sine wave converted)i take only +ve half wave signal ......
now try doing p wave given delay & T wave given delay & QRS wave given delay & finally summing all wave(P,T,QRS)......

normal ECG waveform

P wave =80 ms(time period), 12.5 Hz(frequency),0.25 mV(amplitude)
T wave =80 to 100 ms(time period), 12.5 Hz to 10 Hz(frequency), 1.6 mV(amplitude)
QRSwave=160 ms(time period),6.25 Hz(frequency), 0.1 to 0.5 mV(amplitude)

it's possible........help me....further process......

I dint get what you actually want to ask. you have just given the data you dint put your question. How can anyone think where you are stuck in this

This is not the testing in physics , so if the problem has many factor , you should post here some picture .