Medscape August 21, 2025
Edited by Archita Rai

TOPLINE:

An analysis of heart sounds measured using a smartphone-based application (FonoCheck) showed efficacy in screening people for atrial fibrillation (AF) in community settings, with a positive predictive value of 94% when the condition was confirmed through ECG.

METHODOLOGY:

  • Researchers investigated whether heart sounds measured by smartphones can facilitate screening for AF in community settings.
  • They prospectively enrolled 5312 participants (mean age, 53 years; 60% women) from two districts in China between August 2023 and May 2024.
  • A smartphone was placed on the apical auscultation area of the chest of participants, and an app recorded heart sounds for 30 seconds.
  • Heart sounds in the range of 20-150 Hz were visually assessed in a software based on irregularities in rhythm...

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Topics: Apps, Patient / Consumer, Provider, Technology
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