Dx Stains Flashcards
When its in the ____ state, excited fluorescein will have diminished fluorescence intenstity
ground
Flouresciene is most active in its ____ state
anionic
Acidic anesthetics quench fluorescein via chemical ______
reduction
What are the different fluorescent formulations
- Topical
- High Molecular Weight Topical
- IV and Oral Solution
What are the different topical fluorescein formulations
- Fluorocaine
- Fluress
- Ful-Glo
what are the high molecular weight topical formulations
- fluorosoft
2. softglo
what are the IV and oral solution of fluorescein
fluorescite
What are indications of topical use of fluorescein
- foreign body/surface abrasion localization
- corneal ulcer confirmation
- alkaline burns
- seedless sign
- tear break up time
what does fluorescein in punctate keratitis show
pools within damaged tight junctions caused by inflamed corneal epithelial cells
A drawback to flouroscein evaluation is that you can only see it if its is ____ microns are thicker
20
what is topical use of fluroscein good for
- Jones Test
- Aniline dye antidote
- Fitting of RGP contacts
- Diagnosis of dendritic keratitis
What is the oral use of fluorescein good for
- Anterior chamber fluorometry: AH production measurement
2. Iris vascular pathology
What are common adverse effects of topical fluorescein
- sting and irritation
- redness
- dermatitis
what are common adverse effects of IV fluorescein
- naseua and vomiting
- headache
- tissue necrosis
- cutaneous reaction.
what are absolute contraindications of IV fluorescein
- iodine allergy
2. history of adverse reaction to fluorescein angiography
