ICD-9: A codingsystem that provides a number
for each type of medical diagnosis.
IDET: Intradiscal Electrothemy. A process
in which a wire is placed into the intervertebral disc to
attempt to melt and repair an annular tear.
Iliac arteries: The large arteries in the
pelvis that start at the low end of the aorta and become the
major arteries leading into each leg.
Iliac crest bone graft: A bone graft taken
from the hipbone, or iliac crest.
Iliac veins: The two large veins that feed
from each of the legs into the inferior vena cava in the low
abdomen, the largest vein of the body.
Impingement syndrome: Abnormal joint function,
such as in the shoulder or knee.
Incentive spirometer: A device used by a
patient after surgery to exercise and expand the lungs to
prevent pneumonia and treat atelectasis.
Indemnity plan: A type of medical insurance
in which payment is made for individual medical charges as
they arise.
inferior: Lower in the body, towards the
feet.
Inflammation: A natural process in the body
in which there is local imitation, heat, redness, and typically
pain.
Informed consent: An agreement by a patient
to allow a practitioner to perform a procedure in which the
patient understands what is to be done to the best reasonable
level.
Innervate: Effect of a nerve reaching muscle
or skin that provides movement of sensation.
Instrumentation, spianl: Screws, rods, paltes,
and other devices used to hold spianl elements in place during
or after surgery.
Interbody implant: Device, made either of
bone, metal or synthetic materials, that is used to replace
an intervertebral disc.
Intercostal nerves: Nerves that commence
in the thoracic spine and travel under the inferior margin
of a rib around to the front of the body.
intradiscal electrothermy: See IDET.
Intradiscal injection: See discogram.
Intradural: Inside the dura membranes.
Intraoperative X-rays: X-rays taken during
surgery.
Intravenous sedation: Sedating medication
given through the blood stream to allow a patient to tolerate
a procedure but without producing a full general anesthesia
requiring intubation.
Iodine: An element used for intravenous contrast
and X-ray studies.
Isometric: Maintaining the length of a muscle
while the tension changes.
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