ANSWERS GRADED A+
✔✔Liver abscess treated with flagyl - ✔✔Amoebic liver abscesses from entamoeba
histolytica
✔✔Liver abscess treated with albendazole - ✔✔Hydratid liver cysts
✔✔Treatment for resectable gallbladder carcinoma - ✔✔Tis and T1a (invasion of lamina
propria) chole is sufficient. T1b-T3 chole + 4b/5 hepatectomy, and regional
lymphadenectomy
✔✔pH changes by how much with a change in PaCO2 of 10 mmHg - ✔✔0.08
✔✔Contraindications for ketamine - ✔✔Angina/ischemic heart disease because it
increases sympathetic nervous system increasing myocardial O2 consumption. Also
contraindicated in space-occupying brain lesions and increased IOP
✔✔MOA of desmopressin - ✔✔Stimulates endothelial release of factor viii and vWF
✔✔MOA of propranolol for asymptomatic prophylactic treatment of esophageal varices -
✔✔Non-selective beta blockers inhibit beta2 receptors inhibiting vasodilation is
splanchnic circulation, and they decrease cardiac output with beta 1 blockade
✔✔Pager-schroetter syndrome - ✔✔Exercise induced thrombosis of the subclavian and
axillary veins
✔✔Pathway of beta 2 stimulation - ✔✔GPCR that activates cAMP
✔✔Receptors that dobutamine activates - ✔✔Beta1 with low dose and beta2 higher
doses
✔✔SMA site of occlusion for embolic vs thrombotic etiology and pattern of ischemia -
✔✔Embolic usually distal SMA and causes ischemia from mid-jejunum through
transverse colon. Thrombotic is usually proximal SMA and causes ischemia from
proximal jejunum through transverse colon. Embolic spares proximal jejunal branches
✔✔Management of mediastinitis - ✔✔Open debridement and pectoral muscle flaps
✔✔What do you give for beta blocker overdose? - ✔✔glucagon
✔✔What is first line treatment for diltiazem overdose? - ✔✔Insulin -- those refractory
can be treated with lipid emulsion therapy or transcutaneous pacing
, ✔✔Most common organism cultured from septic thrombophlebitis 2/2 contiguous severe
pharyngitis or peritonsillar abscess - ✔✔Fusibacterium necrophorum (gram negative rod
-- gram negative rods or polymicrobial infections are most common cause of septic
thrombophlebitis from secondary, contiguous source
✔✔Blood supply of the peritoneum - ✔✔Viscera peritoneum is supplied by the
splanchnic vessels while the parietal is supplied by the intercostal, lumbar, and iliac
vessels
✔✔UOP desired for adequate resuscitation in adult and pediatric burn pts - ✔✔Adults:
0.5-1 cc/kg, and peds: 1-1.5 cc/kg
✔✔Most common polypoid lesion of the gallbladder - ✔✔Cholesterolosis = cholesterol
laden macrophages in the gallbladder lamina propria, often multiple. Not considered
premalignant
✔✔Premalignant lesions of the gallbladder - ✔✔Adenomas are the only known ones
✔✔What is bleeding typically in the first 24 hr after hemorrhoidectomy? At 5 days? -
✔✔Technical error, needs to go back to OR for exploration vs 5 day eschar sloughing
✔✔ROTEM, when do transfuse what? - ✔✔Long clot time: FFP or PCC; MCF (maximal
clotting factor = clotting strength) if abnormal analyze FIBTEM and if normal then plts. If
FIBTEM abnormal, fibrin problem and give cryo. High lysis index indicates shows need
TXA (Inhibits plasmin)
✔✔Essential fatty acids - ✔✔linoleic acid and linolenic acid
✔✔Inguinal nodes obtained for melanoma - ✔✔Can stop at SLN if not clinically positive
and do u/s surveillance q4 mo. But if clinically positive or can't do surveillance:
superficial first with superficial inguinal and superficial femoral but if those positive
extend to deep femoral, obturator, and iliac nodes
✔✔Treatment of hyponatremia - ✔✔If severe (<120) and acute, treat with bolus of
hypertonic saline (3%) with goal to increase by 4-6 mEq in a couple hours. If mild-
moderate chronic, then fluid restriction, can also employ fluid restriction if asymptomatic.
✔✔Alvimopan - ✔✔Mu receptor antagonist
✔✔Rate of malignancy in main duct IPMN, side duct IPMN, and mucinous cystic
neoplasm - ✔✔60% and 25% for side duct if >3 cm and mural nodules, MCN is <15%
but 0% if no mural nodules and <4 cm