The correct diagnosis is artifact (Figure 2). The second part of the telemetry strip shows a regular rhythm at a rate of 60 beats/min. The QRS complex is narrow with a normal axis. There appears to be ...

Telemetry is not a four-letter word. You wouldn't know that to listen to the relentless hammering of the technology by Windows 10 critics, who see it as a form of "spying" on the part of Microsoft.