Smartphone app performs better than traditional exam in cardiac assessment

ScienceDaily | 4/3/2018 | Staff
joseph76 (Posted by) Level 3
These findings highlight the potential of smartphone applications to help physicians make decisions at the bedside. "Because of the widespread availability of smartphones, they are being used increasingly as point-of-care diagnostics in clinical settings with minimal or no cost," says Dr. Benjamin Hibbert of the University of Ottawa Heart Institute, Ottawa, Ontario. "For example, built-in cameras with dedicated software or photodiode sensors using infrared light-emitting diodes have the potential to render smartphones into functional plethysmographs [instruments that measure changes in blood flow]."

The researchers compared the use of a heart-rate monitoring application (the Instant Heart Rate application version 4.5.0 on an iPhone 4S) with the modified Allen test, which measures blood flow in the radial and ulnar arteries of the wrist, one of which is used to access the heart for coronary angiography. A total of 438 participants were split into two groups; one group was assessed using the app and the other was assessed using a gold-standard traditional physical examination (known as the Allen test). The smartphone app had a diagnostic accuracy of 94% compared with 84% using the traditional method.

Report - Highlights - Smartphone - Application - Standard

"The current report highlights that a smartphone application can outperform the current standard of care and provide incremental diagnostic yield in clinical practice,"...
(Excerpt) Read more at: ScienceDaily
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