biotelemetry is the use of telemetry methods in order to remotely observe
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8/12/2019 Biotelemetry is the Use of Telemetry Methods in Order to Remotely Observe
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Biotelemetry is the use of telemetry methods in order to remotely observe, document, and measure
certain physiological functions in human beings or other living organisms. The field consists of
several subfields, including medical and human research telemetry, animal telemetry, and
implantable biotelemetry. Medical telemetry is of particular note because it can be used to remotely
track the vital signs of ambulatory patients. Generally, a biotelemetry system used for this purpose
measures functions like body temperature, heart rate,blood pressure,and muscle movement.The use of biotelemetry systems began as early as the late 1950s, during the space race era. At
that time, these systems were used to record physiological signs from animals or humans who
traveled to outer space in a space shuttle. The signals were then transmitted back to a space station
on earth for observation and study.
Most biotelemetry systems are wireless. Usually, they consist of several components, including
sensors, transmitters, a radio antenna, and a receiver. Patients or animal subjects typically wear the
transmitters on the outside of their bodies. Signals are then sent from the transmitters to a receiver
in the biotelemetry lab to be reviewed and analyzed. A display unit in the lab allows lab employees to
see vital sign information from several different patients or animals at one time.
In particular, cardiovascular patients benefit from the the use of wireless biotelemetric systems.
These devices offer cardiac patients the ability to stay mobile while being observed. The systems
used for these patients usually depend on radio-frequency communications to monitor heart rates,
blood flow, and blood pressure. This is all done without requiring the patient to be hooked up to a
bedside monitor with a wired connection.
Biotelemetry can also be used to conduct research on animal behavior in their natural environments
or on animal migration patterns. Typically, this research is conducted by place a transmitter on the
animal. Biologists then track the animal by following the transmittal signal. Even on sleeping
mammals or birds, animal telemetry devices usually record everything from respiration, heart rates,
and heart muscle activity to neural and cardiac movements.
When implants are used in biotelemetry, it usually means that the transmitter devices are implanted
in the animal or human being studied. For example, cochlear implants usually have built-in telemetry
systems that allow the internal device to be monitored. More powerful transmitters can be more
difficult to implant in a subject, and strong transmitters with large batteries can impact a subjects
behavior or energy levels.
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