Letter I
IV Catheter
A thin tube that is placed into a blood vessel. It can be used to draw blood or give medicine.
ISOECHOIC (bone)
Same brightness as normal tissue in the nearby area on ultrasound. For example, isoechoic mass in the bone means a mass with same brightness as the bone.
ISOECHOIC
Same brightness as normal tissue in the nearby area. For example, isoechoic mass in the kidney means a mass with same brightness as the kidney tissue.
ISCHEMIC INFARCT
The medical term for stroke. It refers to dead tissue from lack of oxygen caused by a clogged artery.
ISCHEMIC (brain)
In the brain this refers to dead tissue as a result of a blood vessel that is blocked or occluded.
ISCHEMIC
Anything related to lack of normal blood supply to tissue.
ISCHEMIA
Lacking normal blood supply to a body part. Ischemia can lead to tissue death (necrosis), if the lack of blood supply is long enough.
IPSILATERAL
Adjective. Same side. If a woman says, “I feel a lump in my right breast and there is pain in the ipsilateral arm.”, it means that there is pain in the right arm.
INVOLUTIONAL
The process of getting smaller or shrinking. In the brain it refers to a shrunken brain that can be seen with aging, or as a reaction to an injury, tumor, or surgery.
INVERTED PAPILLOMA
A tumor of the nasal tissue that is benign, or non-cancerous. It usually occurs in adults but can be fast growing and cause symptoms related to blockage of the sinuses.
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