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Flashcards in EENT Deck (14):
1

Dx. Unilateral/Bilateral vocal cord paralysis?

Fiberoptic laryngoscopy (NOT EMG)

2

Central retinal a. occlusion

Tx

Sudden, painless monocular vision loss
Afferent pupillary defect
Pale retina with cherry red fovea

Tx: Ocular massage

3

Open/Wide angle Glaucoma keywords

peripheral then central vision loss d/t IOP
optic disc atrophy/cupping
painless

4

Closed/Narrow angle Glaucoma keywords

obstruction of aqueous flow
painful, sudden, halos, rock-hard eye

5

CN 3 Damage S&S

down and out eye
ptosis
mydriasis
loss of accomodation

6

CN 4 Damage S&S

upward eye, especially with contralat gaze and head tilt
"problems going down stairs"

7

CN 6 Damage S&S

eye cannot abduct

8

Marcus Gunn Pupil

Dx?

afferent pupillary defect (d/t optic n. damage or retinal detachment)
- decrease bilateral constriction when line is shone in affected eye

Dx: Swinging flashlight test

9

Tx: Glaucoma (open)

Decrease aqueous humor:
Epinephrine (causes vasoconstriction)
Timolol
Acetazolamide

Increase outflow:
Pilocarpine
Physostigmine
Latanoprost

10

1st line for Tonic clonic seizures

Phenytoin (Dilantin)
Carbamazepine (Tegretol)
Valproic Acid (Depakote)

11

1st line for Status Epilepticus tx?

prophylaxis?

Benzodiazepine

Phenytoin

12

MOA Phenytoin

blocks Na, inhibits glutamate release

Teratogenic (Fetal Hydantoin syndrome) and gingival hyperplasia

13

MOA Barbiturates (duration)

Increase duration Cl- channel opening to facilitate GABA-A action

14

MOA Benzodiazepine (frequency)

Increase frequency Cl- channel opening to facilitate GABA-A action