The wearable devices market is full of fitness trackers, from many of the major tech companies, including Fitbit (NYSE: FIT), Microsoft (NASDAQ: MSFT), Apple (NASDAQ: AAPL) and others. While popular, the question is whether or not wrist worn fitness trackers heart monitoring devices are accurate? According to data by Cleveland Clinic physicians such devices are not as accurate as chest-worn heart monitors. The research also indicates that not all wrist worn devices are accurate at the same level.
The research led by cardiac surgeon Marc Gillinov, MD, explains how such devices work. The chest-worn monitors are similar to electrocardiogram (EKG), which doctors use for diagnostic purposes. The chest-worn heart monitor has two parts — a transmitter, and a receiver worn on the wrist like a watch. The transmitter picks up the electric signal and then sends an electromagnetic signal containing heart rate data to the receiver, which displays the heart rate.
While fitness trackers may still have their purpose, Biotricity Inc. (OTC: BTCY) is focusing on biometric monitoring solutions for medical, healthcare and consumer use. The company has two devices which are expected to be launched into the market by the end of this year, Bioflux and Biolife.
The fitness tracker, which have become the more popular recent trend, use optical sensors to detect the blood coursing through your veins, a technology which is impressive, but has drawbacks. Because they’re on your wrist the blood flow is farther from the heart, which reduces accuracy. The research also reports that reduced by light hitting the sensor as you move your arm or flex your wrist.