General Flashcards
What is Heerfordt disease?
Acute presentation of sarcoidosis characterized by facial paralysis, parotid enlargement and uveitis
Which inhaled anesthetic has lowers MAC?
Halothane : 0.77%
Estrogen increases _____ leading to increase need for _______
Thyroxine Binding Globulin
Increase in T4 dose needed
Which anesthetic improved local flap survival in Mohs recon
Isoflurane
Which meds increase flap survival in mohs recon?
Verapamil
lidocaine
What are first generation histamine blockers?
Hydroxyzine, chlorpheniramine, diphenhydramine
What are second generation antihistamines and which is less sedating?
Cetrizine, fexofenadine and loratidine
fex and loratidine less sedating
Which ct scan scre for CRS correlates well with symptom severity
Lund-Kennedy
What can be a risk of prilocaine administration?
Met hemoglobinemia, treat by administering methylene blue
Which nerve provides sensation to the ala of nose
Anterior ethmoidal nerve bus the external nasal nerve
What medication can be used to prevent thyroid production in someone who can’t get PTU or methimazole?
Lithium
when are you at highest risk of TI fistula after trach?
3-4 weeks out
what is the mechanism of action of mytomycin c
DNA alkylating agent and prevents fibroblast proliferation
what is the mechanism of action of cocaine as local anesthetic?
blocks sodium channels
what is the general concentration of topical cocaine thats used?
4%
What medication can be used in patients receiving RAI in order to avoid stopping thyoroid replacement hormone
Thyrogen, ensures adequate uptake of iodine
what is the nervus intermedius
contains preganglionic parasympathetic nerve fibers supplying innervation to the lacrimal, sulingual, submandibular gland, and minor salivary glands
What is the blood supply to SCM?
Upper - occipital
Middle - inferior thyroid
inferior - suprascapular
What is the treatment for hypercalcemic crisis
calcitonin, bisphosphanates, fluid hydration, loop diuretics
What patient can you not use methylene blue to treat methemoglobinemia
G6PD deficiency -> can cause anemia, need to be transfused
What antibiotic class is cytochrome p450 inhibitor
macrolides
What effect does high serum level of iron have on survival in invasive fungal sinusitis
high serum level -> decreased overall survival
What kind of bacterium is fusobacterium necrophorum
gram negative anaerobic rod
What branch of the trigeminal nerve is most commonly affected by post-herpetic neuralgia?
V1
What do you do for hydrofluoric acid burns?
Calcium gluconate slurry
Where are H1 inhibitors metabolized?
The liver
How can mumps cause SNHL?
degeneration of stria vascularis and organ of corti
MEN 1
parathyroid, pituitary, pancreas
MEN 2A
Parathyroid, pheo, medullary
MEN 2B
Pheo, Medullary, ganglioneuroma
