15-18 JUL 2022 (studied 21 NOV) Flashcards
contraindications to MRCP:
- older heart pacemakers
- implanted metallic devices (insulin pumps, hearing aids, neurostimulators)
- intracranial metal clips
- metallic bodies in the eye
most common nonimmunologic cause of pancreas allograft loss in the immediate postoperative period?
vascular thrombosis
best inital test for zone I vascular neck injury?
CTA
recurrent intussusception occurs in approximately ___% of pediatric patients from within minutes to months, and half occur in the first ___ hours
- 10%
- 48 hours
what class of medications can increase hepatic metabolism of thyroid hormone, thereby requiring higher doses of thyroxine for hypothyroidism?
anti-epileptics
treatment for small anastomotic leak post-Hartmann? large leak?
- small: drain + diverting ileostomy
- large: recreate anastomosis
most common primary malignant peritoneal neoplasm?
mesothelioma
which type of bowel preparation is associated with the best outcomes for elective colonoscopies?
mechanical bowel preparation and oral antibiotics
what EKG finding is is directly proportional to the degree of hypocalcemia?
prolonged QT
lengthening of the ST segment on electrocardiography (ECG) is directly proportional to the degree of what electrolyte abnormality?
hypocalcemia
treatment options for gastroschisis
- placement of silo
- closure of fascia or skin
- sutureless closure
what is the most effective medication in protecting the intestine from free radical damage caused by abdominal or pelvic radiation
amifostine
Peutz-Jeghers syndrome (PJS) is an autosomal dominant disorder resulting from an _____ mutation
STK11
____ gene mutations are associated with FAP disease
APC
MOA of rituximab
chimeric monoclonal antibody directed against CD20
