 <translate> Dalili: Bayanin da ya dace don amsa tambayar da ke sama shi ne: P wave a cikin ECG yana wakiltar depolarization na atrial, wanda ke haifar da raguwar atrial, ko atrial systole. <ibo> Ntụgharị uche: Ihe ọmụma dị mkpa iji zaa ajụjụ ahụ dị n'elu bụ: Ebili mmiri P nke ECG na-anọchi anya nkwụsịtụ nke akwara obi, bụ́ nke na-eme ka akwara obi na-ebelata, ma ọ bụ akwara obi systole. 