Key result
The Cardiio smartphone application accurately detected heart rate compared to ECG at rest (r=0.997) and post-exercise (fingertip r=0.995, facial r=0.984).
Why the study?
Does a smartphone-based PPG application accurately measure heart rate compared to continuous ECG in healthy subjects at rest and after exercise?
Population
40 healthy subjects, 50% males, mean age 24.7 ± 5.2 years, Von Luschan skin color range 14-27.
Comparison
Heart rate measurement using the Cardiio… vs Continuous ECG.
Design
Cross-sectional
Authors
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May support fitness HR monitoring; leaves open clinical validation in diverse populations.
Cross-Sectional (n=40)
Does a smartphone-based PPG application accurately measure heart rate compared to continuous ECG in healthy subjects at rest and after exercise?
Effect estimate: r = 0.997
Smartphone-based PPG using the Cardiio app provides accurate heart rate measurements at rest and after exercise, though facial detection is less reliable with excessive motion.
Yan et al. (2017) conducted a cross-sectional in Healthy (n=40). Cardiio smartphone application (fingertip and facial PPG) vs. Continuous ECG was evaluated on Agreement between ECG and PPG estimated HR (r = 0.997). The Cardiio smartphone application accurately detected heart rate compared to ECG at rest (r=0.997) and post-exercise (fingertip r=0.995, facial r=0.984).
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