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Initial evaluation of prospective cardiac triggering using photoplethysmography signals recorded with a video camera compared to pulse oximetry and electrocardiography at 7T MRI

Schnelle Fakten

  • Interne Autorenschaft

  • Weitere Publizierende

    Nicolai Spicher, Stefan Maderwald, Mark E Ladd

  • Veröffentlichung

    • 2016
  • Zeitschrift/Zeitung

    BioMedical Engineering OnLine (1)

  • Organisationseinheit

  • Fachgebiete

    • Informatik allgemein
  • Forschungsschwerpunkte

    • Medizinische Informatik (MI)
  • Format

    Journalartikel (Artikel)

Zitat

N. Spicher, M. Kukuk, S. Maderwald, and M. E. Ladd, “Initial evaluation of prospective cardiac triggering using photoplethysmography signals recorded with a video camera compared to pulse oximetry and electrocardiography at 7T MRI,” BioMedical Engineering OnLine, vol. 15, no. 1, pp. 126–126, 2016.

Abstract

Accurate synchronization between magnetic resonance imaging data acquisition and a subject’s cardiac activity (“triggering”) is essential for reducing image artifacts but conventional, contact-based methods for this task are limited by several factors, including preparation time, patient inconvenience, and susceptibility to signal degradation. The purpose of this work is to evaluate the performance of a new contact-free triggering method developed with the aim to eventually replace conventional methods in non-cardiac imaging applications. In this study, the method’s performance is evaluated in the context of 7 Tesla non-enhanced angiography of the lower extremities.

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