What is it about?
The HV duration in clinical electrophysiology is conventionally measured invasively. This paper discusses a method in measuring it noninvasively from the magnetic field maps using magnetocardiography (MCG).
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Why is it important?
The noninvasively determined HV durations are corroborated in a blind fold manner with invasive ones in EP procedure. They are found to be well in agreement. Hence for clinically demanding cases where invasive EP is not justifiable, one can opt for magnetocardiography (MCG) where the HV could be deduced in a more reliable way using magnetic field maps.
Perspectives
Though the application of MCG for HV determination has been studied by some pioneers, we hope that this is an important advancement in the field to use magnetic field maps for determining HV duration. Among various unique clincial applications of MCG, measuring His bundle signals is thought to be a valuable diagnostic information. Such applications of MCG in EP (we hope ) are the unique selling potentials of Magnetocardiography.
Sengottuvel Senthilnathan
Indira Gandhi Center for Atomic Research, Kalpakkam, TN, India
Read the Original
This page is a summary of: Noninvasive Determination of HV Interval Using Magnetocardiography, Pacing and Clinical Electrophysiology, April 2017, Wiley,
DOI: 10.1111/pace.13067.
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