Sinoatrial nodal pause, arrest, and exit block - UpToDate
https://www.uptodate.com/contents/sinoatrial-nodal-pause-arrest-and-exit-block
WEBFeb 21, 2022 · INTRODUCTION. The sinoatrial (SA) node represents the integrated activity of pacemaker cells, sometimes called P cells, in a compact region at the junction of the high right atrium and the superior vena cava. Perinodal cells, sometimes called transitional or (T) cells, transmit the electrical impulse from the SA node to the right atrium.
DA: 55 PA: 56 MOZ Rank: 91