High Yeild Run through

Question 1

Hypercarbia ddx

Answer 1

-inc production (fever, MH, Neuroleptic malignant syndrome, thyroid storm, bicarb, release of tourniquet/cross clamp)
-hypoventilation
-rebreathing (incompetent insp/exp valve, exhausted soda lime)

Question 2

Wheezing ddx

Answer 2

-LOWER airway: kinked tube, mucous plug, forein body, bronchospasm, PTX, PE, cardiogenic, anaphylaxis, aspiration
-UPPER airway: laryngeal edema, laryngospasm, laryngomalcia, foreign body, VC paralysis

Question 3

Oliguria ddx

Answer 3

prerenal: hypovolemia, hypoTN, hypoperfusion, renal v or a thrombosis
intrarenal: ATN (ischemia, dye, abx, myoglobin, hemogloboin), intrinsic (vascular, glomerular, interstitial nephritis)
postrenal: obstructed catheter, urethral or ureteral obstruction

Question 4

Causes of jaundice

Answer 4

prehepatic: inc production: hemolysis or absorption of a hematoma
intrahepatic: ischemic, hepatotoxic drugs, ASA, acetaminophen, steroids, OCP, alcohol, infxn, congestion
posthepatic: mechanical obstructions: stone, stricture, atresia (alk phos!!)

Question 6

Rocuronium metabolism

Answer 6

Primarily through hepatobiliary excretion, 10% through kidneys

Question 7

Cistatracurium dose

Answer 7

0.2 mg/kg IV

Question 8

MG needing postop ventilation predictors

Answer 8

physostigmine dose > 750 mg/day w/ bulbar symptoms
disease > 6 years
VC < 2.9 L
other pulm dx (COPD)