Development and validation of a smartphone heart rate acquisition application for health promotion and wellness telehealth applications.
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Date
2012-01-24
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Abstract
Objective Current generation smartphones video camera technologies enable photoplethysmographic PPG acquisition and heart rate HR measurement The study objective was to develop an Android application and compare HRs derived from a Motorola Droid to electrocardiograph ECG and Nonin 9560BT pulse oximeter readings during various movement free tasks Materials and Methods HRs were collected simultaneously from 14 subjects ages 20 to 58 healthy or with clinical conditions using the 3 devices during 5 minute periods while at rest reading aloud under observation and playing a video game Correlation between the 3 devices was determined and Bland Altman plots for all possible pairs of devices across all conditions assessed agreement Results Across conditions all device pairs showed high correlations Bland Altman plots further revealed the Droid as a valid measure for HR acquisition Across all conditions the Droid compared to ECG 95 of the data points differences between devices fell within the limits of agreement Conclusion The Android application provides valid HRs at varying levels of movement free mental perceptual motor exertion Lack of electrode patches or wireless sensor telemetric straps make it advantageous for use in mobile cell phone delivered health promotion and wellness programs Further validation is needed to determine its applicability while engaging in physical movement related activities
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Keywords
Client, Access to information or data, Acceptability, Prototype, Functionality, Preventive, Health education or promotion, Disease prevention, Data collection and reporting, Surveillance, Raw data, Physiologic Biosensors, Installed application