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, Technology a change or modification of the natural environment in order to satisfy the wants and
needs of people. New technologies are the result of intelligent problem-solvers
working with each other across different fields of study to solve complex problems.
The list of technologies used in health care is huge and draws on knowledge
developed in fields as diverse as the basic sciences (mathematics, physics,
chemistry, biology, pharmacology, genetics, physiology, toxicology), electronics
(radios, computers, telephones, scanners, monitors, robots, lab equipment),
transportation (ambulances, helicopters, wheelchairs), and engineering
(mechanical, chemical, robotics).
stents in cardiology, clogged arteries can now be opened using expandable metallic mesh
tubes
catheter long wire
scopes small video cameras mounted on a long stick. They are now used to perform many
kinds of surgery.
minimally invasive surgery many such surgeries can use scopes to avoid this "invasion" of the body, an
approach referred to as this
laparoscope for abdominal surgery
arthroscope for joint surgery
thoracoscope for chest surgery
In order to perform abdominal surgery without large laparoscope
incisions, surgeons use ________ to be able to see.
A smaller incision in the body leads to __________. fewer infections
In the field of cardiology, ________ are used to open stents
clogged arteries in the heart.
X-radiation, or X-rays were first discovered in the late 1800s. Like rays of light, microwaves, or radio
signals, X-rays are a form of energy. An X-ray tube is used to generate the rays.
Although X-rays are not visible, they can pass through many body tissues and
expose special X-ray film or digital sensors to make a picture of those tissues.
X-rays are useful for medical imaging, but they damage tissues, so it is important to
limit the amount of exposure a person has to them.