If the mean P-Q interval voltage is 1mV, and the peak of the R wave for lead I and III are 2mV and 5mV, what are the true values for R wave amplitude in these leads?
a. 2 & 4mV
b. 2 & 5mV
c. 1 & 4mV
d. 1 &7mV
e. 1 & 5mV
a. 2 & 4mV
b. 2 & 5mV
c. 1 & 4mV
d. 1 &7mV
e. 1 & 5mV