| CPC A61B 5/7275 (2013.01) [A61B 5/002 (2013.01); A61B 5/0205 (2013.01); A61B 5/4227 (2013.01); A61B 5/681 (2013.01); A61B 5/721 (2013.01); A61B 5/02438 (2013.01); A61B 5/1118 (2013.01)] | 9 Claims |

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1. A method of managing a thyroid abnormality of a person, the method comprising:
acquiring, using a wearable device worn by the person, a plurality of heart rates during at least a first consecutive days and a second consecutive days,
wherein the first consecutive days comprise a first day in which a thyroid function of the person is assessed as normal through a blood test,
wherein the person is treated for improving the thyroid function, as a result, the thyroid function of the person is normal on the first day,
wherein the second consecutive days comprise a second day in which the thyroid function of the person is unknown,
wherein the second day is later than the first day, and
wherein the number of the first consecutive days is same as the number of the second consecutive days and is greater than 1;
computing, on a bio-signal computing device, a reference resting heart rate using heart rates that meet a predetermined standard among the heart rates of the first consecutive days,
wherein the predetermined standard is set for selecting heart rates on a period free of motion or movement, and
wherein the predetermined standard is related to a sensing value of a gravity sensor, an acceleration sensor, a gyroscope, a GPS sensor, or a combination thereof;
computing, on a bio-signal computing device, a current resting heart rate using heart rates that meet the predetermined standard among the heart rates of the second consecutive days;
determining, on the bio-signal computing device, a prediction result related to a thyroid function state of the second day using the current resting heart rate and the reference resting heart rate of the person; and
inducing to conduct an additional blood test on the person based on the prediction result.
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