Chest compression artefact

The ECG cannot be reliably interpreted while chest compressions are being performed. Each chest compression will cause a false spike on the ECG that does not represent the underlying spontaneous electrical activity of the heart. If you look closely at the trace you may be able to see spikes at 100-120 beats / min. The real rhythm can only be interpreted when chest compressions are paused.

See also: Quality Issues and Artefact

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In the ECGquest archives, this ECG has been tagged with: - Cardiac arrest Chest compression artefact Rhythm Strip LITFL CC-BY-NC-SA
Precordial thump

This ECG is from a patient who had a witnessed cardiac arrest while on telemetry.

In the ECGquest archives, this ECG has been tagged with: - Cardiac arrest Chest compression artefact Rhythm Strip Ventricular Fibrillation LITFL CC-BY-NC-SA
Chest compressions during CPR

This ECG is from a patient during a cardiac arrest, while resuscitation was in progress.