Unexpected sawtooth artifact in beat-to-beat pulse transit time measured from patient monitor data.

Yu-Ting LinYu-Lun LoChen-Yun LinMartin Gerbert FraschHau-Tieng Wu

Published in: PloS one (2019)

The PPG and ECG signals not designed for the PTT evaluation may contain unwanted artifacts. The PTT signal should be calibrated before analysis to avoid erroneous interpretation of its physiological meaning.

Keyphrases

heart rate
blood pressure
heart rate variability
case report
image quality
electronic health record
magnetic resonance imaging
computed tomography
magnetic resonance
machine learning
artificial intelligence
deep learning
contrast enhanced