Lakshmi TripathiDropperSample· 5d ago
ECG waves P, QRS, T: why isn't atrial repolarisation visible? And heart attack vs cardiac arrest vs heart failure
I usually don't post questions, but this chapter has defeated my reading-only method. ECG: P wave, QRS complex, T wave. I know the NCERT lines: the P wave represents the electrical excitation depolarisation of the atria,
