Exam (elaborations)
Fluorescein Angiography
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Fluorescein Angiography
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FLUORESCEIN ANGIOGRAPHYQUESTIONS WITH COMPLETE
SOLUTION
f This is the emission of light by a substance following the absorption of EMR (light). - Fluorescence
This is used in FA. It is highly water soluble and is metabolized by the liver and excreted by the kidneys. It
is 80% bound to protein (albumin) and 80% of it is not available for fluorescence. - Sodium Fluorescein
Dye
T/F. Even though there are two barrier filters (blue and yellow) the FA camera only sees the dye. - True
What is wrong if you take a picture without the eye and see colors in the camera? - The Barriers are not
matched
What are seven possible side effects of FA? - Temporary yellowing of skin/mucous membranes (100%)
Orange-yellow discoloration of urine (100%)
Nausea and vomiting (10%)
Vasovagal Rxn
Extravasation (dye under skin)
Allergic reaction (1%)
Death (rare)
What are six contraindications of FA? - Pregnancy (unknown teratogenicity)
Breast Feeding
Renal Insufficiency
History of Severe reaction to Sodium Fluorescein
History of asthma/hay fever/prior minor reaction to sodium fluorescein
No blood work or urine analysis for 2 days following
The CRA supplies what layers of the retina? - OPL --> ILM
The choroid supplies what layers of the retina? - Photoreceptors --> OPL
Which layer receives two blood supplies? - OPL
T/F. CRA has unfenestrated vessels. - True
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