Rosh 23 Flashcards
the ___________ innervates the lateral rectus muscle, and most commonly affected by palsy –> resulting in horizontal diplopia on gaze toward the affected side.
the abducens nerve
__________ are the most common benign bone tumors
Osteochondromas
onion skinning on ext xray
ewing sarcoma
Osteochondromas
most common benign bone tumors Found near end of long bones Often incidental finding Monitor with serial imaging for changes Monitor exam for symptoms
the abducens nerve innervates the __________ muscle, and most commonly affected by palsy– resulting in horizontal diplopia on gaze toward the affected side.
lateral rectus
abdominal x-ray can be diagnostic with findings of a “bent inner tube” or “coffee bean” appearance
sigmoid volvulus
sigmoid volvulus rx
Decompressive sigmoidoscopy is the treatment of choice, unless signs of ischemia or perforation are present
How does management of cecal volvulus differ from sigmoid volvulus?
Operative management is the treatment of choice for cecal volvulus
Fat embolism treatment
Supportive
no meds have found to be useful
acute choleangitis cause
Most commonly caused by choledocholithiasis leading to bacterial infection, E. coli
Treatment is antibiotics, definitive treatment is ERCP with antibiotics typically an adjunct
Which vessel is most likely to be occluded in acute mesenteric ischemia of embolic origin?
The superior mesenteric artery (SMA).
Palsy of the oculomotor nerve will result in
an eye that is deviated down and out as well as ptosis and a dilated pupil
the abducens nerve innervates the lateral rectus muscle, and most commonly affected by palsy- resulting in _____________
horizontal diplopia on gaze toward the affected side.
Palsy of the __________ nerve will result in an eye that is deviated down and out as well as ptosis and a dilated pupil
oculomotor nerve
from the northeastern United States, clinical symptoms are similar to malaria
Babesiosis
Approximately 20% of patients with babesiosis are co-infected with Lyme disease
