jan 17 Flashcards
what is a vascular ring?
-congenital malformation of vessels that encircles/compresses the trachea and or esophagus
what makes symptoms of a vascular ring worse?
activity (better with rest)
presentation of a vascular ring?
biphasic stridor that improves with neck extension
presentation of atlanto-axial instability:
weakness, gait changes, urinary/fecal incontinence, dizziness, vertigo, diplopia, upper motor neuron findings
atlantoaxial instability is a common complication of…
down syndrome
upper motor neuron findings are present in atlantoaxial instability TRUE OR FALSE
TRUE
upper motor neuron findings are present in tethered spinal cord TRUE OR FALSE
FALSE
tethered spinal cord is associated with down syndrome TRUE OR FALSE
FALSE
tethered spinal cord is associated with…
spina bifida
optic neuritis is a common manifestation of..
MS
presentation of retinal detachment?
floaters or flashes of light and loss of peripheral vision
What is Dubin-Johnson syndrome?
-conjugated hyperbilirubinemia due to defective liver excretion
is Dubin-Johnson syndrome serious or benign?
benign
Path of Gilbert syndrome?
Mildly decreased UDP-glucuronyltransferase conjugation and impaired bilirubin uptake -> mild jaundice with stress/fasting
does gilbert syndrome have high UNconjugated or CONJUGATED bilirubin?
unconjugated
Path of Crigler-Najar syndrome type I
ABSNET UDP-glucuronyltransferase -> jaundice, kernicteris and death within first few years of life
is there high UNconjugated or CONJUGATED bilirubin in Crigler-Najar?
UNCONJUGATED
presentation of pagets disease
bone pain, headaches, hearing loss, femoral bowing
how to treat uric acid kidney stones
alkalisation of urine and low purine diet
what drug can be used to alkalize the urine?
potassium citrate
how do thiazide diuretics effect risk of uric acid kidney stones?
increase risk from increased uric acid in urine
renal complications of acyclovir?
crystal-induced acute kidney injury -> renal tubular obstruction
what drugs are associatd with acute interstital nephritis?
beta lactams
PPIs
presentation of acute interstitial nephritis?
7-10 days after drug exposure -> skin rash, eosinophilia, pyuria
when should routine vaccinations be given to premature infants?
based on chronological age (NOT CORRECTED AGE)
beta blocker effects on liver?
prevent glucose production/glycogen breakdown
what is clonidine?
alpha 2 agonist