EntityQ4924939· pop 13· linked from 125 articlesP waveSign in to saverepresents atrial depolarization, which results in atrial contractionConnectionsventricle of the heartEntityelectrocardiographyEntityheartEntityInternational Standard Book NumberEntitycirculatory systemEntitydigital object identifierEntitychronic obstructive pulmonary diseaseEntityInternational Standard Serial NumberEntitycardiologyEntityblood pressureEntitypulseEntityQ180686Entityatrial fibrillationEntityQ229883Entitypulmonary arteryEntityechocardiographyEntityheart rateEntityrenin–angiotensin systemEntitydiastoleEntitysystoleEntityCategoriesCardiac electrophysiologyDiagnostic cardiology