Use Processing to make continuous graph using CSV

Thank you so much,
i just want to show ECG data to plot from One csv file having 19000 row with mVolt (y axis) Vs duration (seconds- x axis) that i attached,
Sir, but i’m not able to get , your both solution not showing any graph.

it as beginner .

This is my ECG data to plot as animated as i previously told:

pls sir, you can just explain to what need to chnage,
i guess, my float data is in range start from 0.00… 0.04 , 0.07 etc… is this issue not able to plot it
?