May 26 Flashcards
is fever always present with vertebral osteomyelitis?
no - in less than 50%
What is Li-fraumeni syndrome?
AD disorder with mutations in p53 - leads to sarcomas, breast cancers, adrenal carcinomas, CNS gliomas/medulooblastomas
how does a pancreatic tumour at the head of the pancreas typically present?
PAINLESS jaundice, with a nontender, distended gallbladder
Ideal test for aortic dissection in a stable patient without renal dysfunction?
CT angiography
Ideal test for aortic dissection in an unstable patient or one with renal dysfunction?
transesophageal echocardiography
ogilvie syndrome =
acute colonic pseudoobstruction
XRAY findings of acute colonic pseudoobstruction?
-colonic dilation with normal haustra, non-dilated small bowel
pathogenesis of ogilvie syndrome (acute colonic pseudoobstruction)?
Autonomic dysfunction - can be caused by electrolyte disturbance, neurologic disorders, trauma (surgery), medications
management of olgivie syndrome (acute colonic pseudoobstruction)?
NPO, nasogastric/rectal tube decompression, neostigmine if no improvement in 48 hours
what is a succussion splash?
Splashing sound in upper abdomen when rocking patient back and forth
what does a succussion splash indicate?
the gastric materal has been there for >3 hours - long enough to become fluid and gas
does an episode with palpitations preceeding syncope require further workup?
YES - palpitations are an alarm symptom that could indicate arythmia
how does cerebral blood flow change with pCO2?
As pCO2 rises, so does cerebral blood flor
IF pCO2 decreases, how is cerebral blood flow effected?
it decreases
why is hyperventiliation a method to decrease intracranial pressure?
the decrease in pCO2 results in decreased cerebral blood flow
