mar 11 Flashcards
in what age group is it normal to see the thymus on XRAY?
up to age 3
the ‘sail sign’ is characteristic of..
the thymus on XRAY in babies
why is IV phenobarbital not used to prevent additional seizures during status epilepticus?
it has a slow onset, significant sedation and respiratory depression effects
what medications can be used to prevent seizure recurrence in a patient with status epilepticus?
fosphenytoin, phenytoin, levetiracetam, valproic acid
characteristics of leukemoid reaction?
> 50 000 leukocytes, high LAP
-more metamyelocytes than myelocytes (more mature)
what is the LAP in chronic myeloid leukemia?
low
are there more metamyelocytes or myelocytes in chronic myeloid leukemia?
more myelocytes (immature cells)
girls with turner syndrome are at increased risk for which bone pathology?
osteoporotic fracture
why are girls with turner syndrome at increased risk for osteoporosis?
-streak ovaries -> estrogen deficiency -> increased bone resorption (estrogen inhibits osteoclasts)
treatment of dermatomyositis?
high potency steroids (and screening for malignancy_
path of type I RTA
impaired H excretion by alpha-intercalated cells in the distal tubule
what electrolyte abnormality occurs in type I RTA?
hypokalemia
what electrolyte abnormality occurs in type II RTA?
hypokalemia
what electrolyte abnormality occurs in type IV RTA?
hypERkalemia
what is failure mode and effect analysis?
a method where a team identifies steps in a process and finds solutions in advance