BioMed Research International / 2014 / Article / Tab 2

Research Article

Removal of Cardiopulmonary Resuscitation Artifacts with an Enhanced Adaptive Filtering Method: An Experimental Trial

Table 2

Sensitivity and specificity for the artifact-free ECG and CC corrupted signals before and after filtering.

RhythmNumberArtifact-freeUnfilteredAdaptive High-pass

Shockable (sensitivity)VF28399.0%99.3%93.3%**93.0%**

Nonshockable (specificity)All28098.2%**46.8%96.0%**##80.4%**
PEA20898.6%**53.9%97.6%**##86.3%**
ASY7297.2%**26.4%91.7%**##63.9%**

Compared with unfiltered signals, and compared with high-pass filter, . VF: ventricular fibrillation, PEA: pulseless electrical activity, and ASY: asystole.