Card Set Information
What is contrast media?
Substance injected into the circulatory system or a body cavity
Shows up x-rays
What is radiopaque?
Can be seen on an x-ray
What is radiotransparent?
Cannot be seen on an x-ray
What are dyes?
Solutions that color or mark tissues for identification
Used for skin incisions, dileneate normal tissue planes
Applied topically, injected into the blood stream or a body cavity
What are staining agents?
Chemicals that react differently to abnormal cells than normal cells.
Used often in cervix procedures
What is omnipaque?
Iohexol - water-soluable iodine based radiographic contrast medium
Contraindicated in patients with iodine hypersensitivities
What strengths does omnipaque come in?
Comes in glass vials 10mL - 250mL
What procedures is omnipaque commonly used for?
What happens to omnipaque in the body?
Absorbed from site of administratin into the blood stream
Undergoes little or no metabolism
Excreted by the kidneys virutally unchanged
What is hypaque?
Diatrizoate meglumine 30% and 60%, diatrizoate sodium 25% and 50%
Watersoluable radiopaque contrast media
Supplied in glass vials 50mL and 100mL
Can not be used in patients with iodine hypersensitivity
Cannot be used interthecally
What procedures is hypaque used for?
Choloangiograms - open or laproscopic - to determine the presence of stones in the common bile duct
Can also be inserted directly into the bladder
How is hypaque prepared on the sterile field?
Often diluted with equal parts saline solution
What is visipaque?
Iodixanol - water soluable radiopaque contrast media
Available in concentrations of 270 and 320mg of organically bound iodine per mL
Absorbed into the bloodstream, leaves kidneys nearly unchanged
What is visipaque used for?
peripheral, visceral and cerebral arteriography
What is Isovue?
Iopamidol - water soluable media for intravascular, intrathecal and body cavity administration for radiographic procedeures
Rapidly absorbed into the blood stream and excreted by the kidneys
Comes in concentrations of 150, 200, 300 and 370mg/mL
What is Isovue used for?
Lumbar and thoracocervical myelography
What are the 4 most common dyes used in surgery?
What is methylene blue used for?
Cystoscopy - detect bladder injury
Tubal dye studies - verify patency of uterine tubes
Bladder surgery or exploration
: Detect bladder injury
What is Isosulfan Blue (Lymphazurin) used for?
Aqueous solution for the dilineatoin of lymphatic vessels
Supplied in 5mL single dose vials
Injected by surgeon before skin prep 5 minutes before first incision
What is Indigo Carmine?
Blue dye given intravenously to color urine for verification of bladder integrity or kidney function.
40mg/5mL in water.
Excreted by the kidneys
5mL glass ampules
What is gentian violet?
Purple dye most frequently used to mark incision lines
Comes in sterile marking pens
Also works as an antifungal - fights thrush and yeast infections
What are staining agents?
Help identify abnormal tissue for biopsy or excision
What is Lugol's solution?
Strong iodine mixture used to perform Schiller's test on cervical tissue
Abnormal cells won't take up the dye, leaving them visibile to the eye.
What is Acetic Acid?
Used to help identify areas of cervical dysplasia
May be used as a staining agent when laser is used to excise dysplasia