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Flashcards in inservice Deck (50):
1

Length of time for battery to cause caustic injury

As little as two hours.

2

Ptosis w too much botox, give what medication

Apraclonidine -> alpha 2 agonist gets 1-2mm additional lid elevation

3

Most common IgG deficiency in children? Adults?

-IgG2 leads to infections w encapsulated bacteria eg H flu, S pneumo, Klebsiella -Adults IgG3

4

Over past 10 yrs, what % of OPCa's are attributed to HPV

*60%

5

Z plasties, length and angles

A image thumb
6

rollover is indicative of what condition?

Vestibular schwannoma

-rollover is when speech discrim gets worse with higher signal intensity

7

How many hair cells per cochlear nerve?

10 outer hair cells per efferent nerve

10 afferent nerves per 1 inner hair cell

8

Ideal upper eyelid crease in women? men?

women - 8-11mm

men 6-9mm

9

What age are auditory brainstem implants approved for?

12yrs and older

10

What is a positive Queckestedt's test?

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11

Development timeline of sinuses?

-The maxillary sinus develops first in utero

-The ethmoids are the most developed at birth

-The sphenoid starts to develop at 3 yo

-The frontal sinus starts to develop at 5yo

12

Most common bug involved with cavernous sinus thrombosis?

S Aureus

13

What anomaly is associated with an absent foramen spinosum and middle meningeal artery?

*persistent stapedial artery

14

OSHA levels?

A image thumb
15

MCC bug assc with malig OE? fungal?

-Pseudonomas

-Aspergillus

16

MCC congenital facial palsy?

Congenital lower lip palsy syndrome

17

Congenital b/l facial paralysis and abducens palsy?

Mobius syndrome

18

EBV is RF for what ca's?

-NPCa

-salivary gland ca

19

Salted foods are a risk for what ca's?

NPCa

20

Eponym for Branchial oto renal syndrome?

Melnick Fraser

21

Dose of epinephrine for anaphalyxis 

-0.3cc IM every 5-15 min

22

Treatment of hyperthyroidism in preggers?

-Propylthiouracial in 1st trimester (methimazole assc w aplasia cutis)

-Then methimazole (PTU assc w liver damage)

23

NF2 inheritance pattern?

AD

24

When to mask on an audiogram?

->40db difference on circumaural headset

->70dB difference of intraaural headset. 

25

Treatment of RLS?

-Dopamine agonists eg pramipaxole, ropinirole, bromocriptine

26

What lab value assc w narcolepsy?

Differences in their sleep studies?

*low CSF hypcretin

*increased stage 1, sleep latency less than 8 min

27

When to be suspicious of malingering score for UPSIT?

<5

-Anosmia is 5-18

-Hyposmia is 19-33

28

Ideal TSH level prior to radio-iodine therapy

*30mg/dL

-therefore off thyroid meds for 2-4 wks w low iodine diet. 

29

Baker Gordon peel 

*Deep peel

-Contains liquid soap, 88% phenol, water, croton oil

30

-MCC age of Recurrent parotitis of childhood and Tx?

*3-6yo

-resolves usu by teens therefore conservative management and abx

31

Wound strengthe timeline

*3% at one week

*20% at 3 wks

*80% at 3 mo's

32

Inheritance pattern of connexin 26 

*AR

33

What drains into the maxillary vein?

Where does the submucosal plexus drain?

*pterygoid plexus

*facial, ophthalmic, and sphenopalatine vein

34

Components of the internal valve?

*upper lat, inf turb, septum, piriform aperture

35

Cogan syndrome

Cochlear deafness

Ophthalmic issue (interstitial keratitis

Glucocorticoids for tx

Aortic involvement

Nerve deafness/dizziness

(It's an AI disorder)

36

37

38

CI's for hemilaryngectomy?

*piriform sinus involvement

*Proximity to the cricopharyngeus

*post cricoid region

*ipsilateral cord paralysis

39

Tx of hypercalcemic crisis?

*2-4 L of fluids

-Loop diuretic

-Bisphosphonate

-calcitonin

-

40

Minimum thickness of melanoma where you should consider sentinel node bx?

0.75 mm

41

Treatment of malingnant hyperthermia?

Sodium dantrolene

-push a minimum of 1mg/kg until symptoms stop or max dose of 10mg/kg

42

CI's for gamma knife for vestibular schwannoma

tumor >3cm can lead to obstructive hydrocephalus. 

43

Mitomycin C MOA and concentration?

DNA crosslinker

0.4mg/ml

44

Cotton myer grading for subglottic stenosis?

Grade 1: 0-50%

Grade 2:50-70%

3:70-99

4: complete

45

When is a neck dissection indicated in salivary ca?

*Mass >4cm

*high grade pathology except adenoid cystic

*nodal disease

*adenoid cystic has rare neck mets and therefore rarely needs neck dissection. 

46

Optimal time to dermabrade scars?

6-8 wks

47

Metabolization of local anesthetics?

Amides are metabolized by liver

Esters are metabolized by psueocholinesterase

-amides have two i's in name

-esters have one i in name

48

Freidman staging for OSA surgery?

Stage I 80% success

Stage II 40% success

Stage III 8% success

A image thumb
49

Sinus tumor staging?

A image thumb
50

Medications that can cause tinnitus?

ASA, neomycin, furesomide, quinine, vanco