Pulse Oximetry Waveform Represents an Earlier Ventricular Contraction in Relation to the Intraarterial Blood Pressure Tracing and Electrocardiogram on Multichannel Monitors: A Case Series

In conclusion, the pulse oximetry plethysmograph tracing is offset by 1 ventricular depolarization on the electrocardiogram (QRS) and the arterial tracing on multichannel monitors.
Source: A&A Case Reports - Category: Anesthesiology Tags: Case Series Source Type: research