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Fall detection wearable devices use sensors such as accelerometers to identify when a person falls. These sensors then send an alert to a monitoring center that the person needs help.
https://personalmedicalalarms.com.au/fall-detection-alarms/ Most fall detection devices also allow the owner to manually call a loved one or emergency responder. This can be useful if the automatic technology doesn’t work or if the person is unconscious or too scared to tell anyone that they fell.

Using wearable sensors to detect falls has been shown to be reliable, with an accuracy rate of 80% or more. However, this level of accuracy can vary from device to device and is influenced by the thresholds for detecting a fall as well as the position of the sensor on a person’s body.

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As there is no standard method for evaluating the performance of these devices, researchers must conduct more real world testing in order to compare their success. To do this, studies must include a period of time where the subject lives without instructions from a researcher. https://personalmedicalalarms.com.au/medical-alert-2/ This will enable more consistent outcomes while still providing real-world data.