ECG Interpretation7:04July 18, 2025

What Happens When the Sinus Node Fails? (Full ECG Breakdown)

EK

ECG Kid

ECG Education Channel

About this video

When the sinus node stops firing — even for a second — the consequences can be serious. In this video, we break down exactly what happens during a sinus pause and a sinus arrest, how to recognize them on ECG, and how to tell them apart using key timing and rhythm clues. Read full article and download resources: https://ecgkid.com/what-happens-when-the-sinus-node-fails-sinus-pause-vs-sinus-arrest-explained/ 📱 Master ECG on the go with PulsePoints – The ECGKid App: Download Now → https://app.ecgk...

Topics covered

ECG Interpretation