Technological Features of Internet of Things in Medicine: A Systematic Mapping Study

Table 3

Wearable sensors.

Wearable sensor types	Another term	Measuring parameters	Count
Accelerometer		Acceleration	14
ECG sensor	Electrocardiography	Electrical and muscular functions of the heart	11
Thermometer	Temperature sensors	Temperature	7
Heart rate sensor		The number of heart beats per minute (bpm)	5
Gyroscope	Angular rate sensors	Orientation and angular velocity	5
Unspecified		Unspecified	5
Magnetometer		Magnetism	4
Localization sensor	Position sensor	Indoor and outdoor locations	4
Pressure sensor	Force sensor	Pressure/force/torque on a rotating system	4
Optical heart rate sensor	Photoplethysmography (PPG)	Heart rate	3
EMG sensor	Electromyography	Electrical activity produced by skeletal muscles	2
Pulse oximeter		Oxygen saturation	2
EEG sensor	Electroencephalography	Electrical activity generated by the brain	2
Physiological sensors		Unspecified	2
EOG sensor	Electrooculography	Corneoretinal standing potential that exists between the front and the back of the human eye	1
Actigraphy	Actimetry sensor	Human rest/activity cycles	1
Altimeter	Altitude meter	Altitude of an object above a fixed level	1
Blood pressure sensor		Blood pressure	1
Conductivity sensor		Electrical current	1
Flex sensor	Bend sensor	The amount of deflection or bending	1
Step counter sensor	Step detector sensor	Steps	1
Barometer		Air pressure	1
Camera	Image sensor	Photographs of daily living	1

The sensor type was not specified. The measuring parameters were not specified.