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Case Study S025
2020 Release

Khosrow-Khavar 2017: Heart Sound Localization

Yu & Liu et al.

Quick Conclusion: Integrates phonocardiography and seismocardiography principles for automated cardiac cycle mapping.


📊 Key Accuracy Metrics

MetricResult
AccuracyHigh localization precision for S1 and S2

🔍 Study Analysis

Objective & Population

Algorithm Development Study. Cohort: Healthy subjects (N=16).

What it Supports

The study supports using SCG to capture mechanical vibrations associated with both heart valve motion and heart sounds.

What it Does Not Support


🛠 Technical Context

  • DOI: N/A
  • Authors: Yu & Liu
  • Confidence Tier: Supporting

Study Snapshot

Metadata Summary

Target Population

Healthy subjects

N

Sample Size

16 Subjects

Validated Metric

High localization precision for S1 and S2

Critical Appraisal
supporting

Proven utility of SCG for heart sound delineation without a stethoscope.