Tell

• Muscle tremor

• Alternating current

• Wandering Baseline

• Patient movement

• Alternating Current

• Wandering baseline

• Muscle tremor

• Loose Electrode

• Wandering Baseline

• Wandering Baseline

• 60 cycle Interference

• Muscle Tremor

The PR interval is measured from the beginning of the ____________ wave to the beginning of the ___________ wave.

A first-degree AV block is due to a PR interval measuring _______.

What is a normal measurement for the PR interval?

What is a normal measurement for the QRS interval?

A sharp narrow QRS results from a signal traveling down ______________________ simultaneously.

A narrow QRS results from a ________ of a signal traveling down the left bundle branch.