ECG Guru - Instructor Resources

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Baseline artifact

Artifact

Sat, 03/05/2016 - 15:25 -- Dawn

This ECG is being offered as a teaching aid, to show how artifact can affect our ability to interpret an ECG, and to encourage our students to be meticulous in obtaining a good-quality tracing whenever possible.  If there are insurmountable obstacles preventing a technically good tracing, the circumstances should be written on the ECG.  Such obstacles could be:  seizures, tremors, vigorous resuscitation efforts underway, or patient not cooperating. 

Normal Sinus Rhythm With PACs Misdiagnosed As Atrial Fibrillation

Thu, 07/16/2015 - 15:12 -- Dawn

This patient was diagnosed by the rescue crew as having atrial fibrillation, based on the fact that they thought the rhythm was irregular, and they could not see P waves.  They also noted a wavy baseline, and considered it to be fibrillatory waves.  In reality, the underlying rhythm is regular, with some PACs (regularly irregular).

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