In a 12 lead ECG, the three limb electrodes contribute to how many leads

The sternal angle represents which intercostal space

This ----------- in ECG represents time delay between atrial and ventricular activation

one small square in ECG paper strip is equal to ------- seconds

how many large squares are there in one second in ECG strip?

In a standard ECG paper, the ECG rhythm strip records ------- seconds

In a regular sinus rhythm, in an ECG strip,if the large squares between R - R interval is 5,the calculated heart rate is

In a irregular rhythm pattern,if the number of R waves over a 10 second period is 12,the calculated heart rate is

Where will you place the V₅ chest electrode?

Which lead in ECG is used to monitor the electrical activity of the right ventricle?