One standard location for a pair of electrodes during an EKG is shown in Figure P21 25 The potential difference V 31 V 3 V 1 is recorded For each of the three instants a, b, and c during the heart 's cycle shown in Figure 21 29, will V 31 be positive or negative Explain 3 FIGURE P21 25...

At instant a the left ventricle is depolarizing This means that the positive ions inside the cardiac ...

One standard location for a pair of electrodes during an EKG is shown in Figure P21.25. The

Question:

One standard location for a pair of electrodes during an EKG is shown in Figure P21.25. The potential difference ΔV₃₁ = V₃ - V₁ is recorded. For each of the three instants a, b, and c during the heart's cycle shown in Figure 21.29, will ΔV₃₁ be positive or negative? Explain.

3 FIGURE P21.25