GI Flashcards
Schatzki rings are almost always associated with what other upper gastrointestinal pathology?
hiatal hernia
MC postop complication related to general anesthesia
N/V
What 5 meds can be used to tx postop N/V from general anesthesia
transdermal scopolamine
dexamethasone
ondansetron
prochlorperazine
droperidol
does SMOKING increase or decrease chances of postop N/V?
smoking= decreases chances
serum marker for pancreatic cancer
CA 19-9
what preop abx is given in acute appy w/o perforation/abscess
single dose of cefotetan 2 g intravenously
describe the tremor seen in hyperthyroidism
high frequency, low amplitude tremor
present with action
At what age should individuals with Lynch syndrome begin colorectal cancer screening via colonoscopy?
Q 1-2years beginning at age 20 to 25 years
or
2-5yrs prior to the earliest age of colorectal cancer diagnosis in the family
(whichever comes first)
What dx test would be the initial biochemical test performed for a patient who is considered high risk for a pheochromocytoma (family history, familial tumor syndrome, history of previously resected pheochromocytoma, or presence of adrenal mass found incidentally).
Plasma fractionated metanephrines
initial test for pt considered to be LOW risk for pheochromocytoma
24-hour urine fractionated metanephrines and catecholamines
respiratory alkalosis results in what electrolyte disturbance?
alkalosis= HYPOkalemia
acidocis= HYPERkalemia
(Intracellular K is exchanged for H+)
what pre-op study should be ordered for a COPD patient w/ increasing respiratory symptoms, decreasing exercise tolerance, or new lung auscultation findings on exam
CXR
(to rule out an active infection and heart failure)
3 tumor markers seen in testicular cancer
AFP
HCG
LDH
TIA tx?
- Symptomatic carotid stenosis of 70-99% + life expectancy >5yrs (perioperative M&M <6%)= ASA** + **carotid endarterectomy
- If carotid lesion not suitable for surgical access, radiation induced stenosis or clinically significant coronary, pulmonary or other dz that increases risk of anesthesia/surgery–> Carotid artery stenting preferred
- Symptomatic carotid stenosis <50%–> antithrombotics
TIA tx:
when is carotid stenting preferred over carotid endarterectomy?
- Symptomatic carotid stenosis of 70-99% + life expectancy >5yrs= ASA** + **carotid endarterectomy
- If carotid lesion not suitable for surgical access, radiation induced stenosis or clinically significant coronary, pulmonary or other dz that increases risk of anesthesia/surgery–> Carotid artery stenting preferred