ECG Challenge: What's Causing This Long Pause? An older woman visits the hospital after fainting, and telemetry shows long pauses in her heart's rhythms. What does the ECG show?

Real-time monitoring is also available with MCOT devices, although emergency care is ... Presently available noninvasive rhythm recording options include the ECG, the Holter monitor, the event ...

However, the ECG app was available only to users in the U.S. as part of watchOS 5.1.2 along with a heart rhythm monitor for detecting signs of atrial fibrillation (AFib) through heart rate check-ups.