HELP IM SOOO CONFUSED Different leads are used to measure the ECG because

Select one:

a.

measurement of heart rate depends on which lead is used to measure it

b.

the signal has a larger amplitude on some leads so it is easier to measure

c.

it is easier to attach some leads to the patient

d.

the interval between ECG events differs on the different leads

e.

they provide information on the spread of the heart beat and to help diagnose which areas of the heart are affected by pathology