11/02/2011

Cath Lab: Artifacts in Pressure Traces...Underdamped waveform

Both panels below have LV pressure trace recorded in the same patient.
Upper panel has artifact (Underdamping of the trace)
This artifact is corrected in the lower panel.

What is the mechanism of this artifact (Underdamping)?
What are the methods that can be used to correct such artifact?









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