NBME Step 2 CK Form 8 Fluid restriction (NBME Answers)

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submitted by ∗step_prep(148)

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Patient with small cell lung cancer develops hyponatremia = SIADH until proven otherwise (basically confirmed with a urine osmolality > 100 and urine sodium > 40)
Mild hyponatremia symptoms (sodium>120, lethargy/forgetfulness): Fluid restriction +/- salt tablets
Severe hyponatremia symptoms (sodium<120, seizures, coma): Hypertonic (3%) saline

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madojo He's not really symptomatic "mild nonproductive cough but is otherwise feeling." Why wouldnt you give demeclocycline to treat the SIADH. +

notyasupreme @madojo, I agree.. I put the same answer as you, but I guess fluid restriction is the FIRST line treatment of all.. Lol, these Anki that give you all three (+conivaptan) never tell you which is the right one in these cases. +

beans123 demeclocycline is neurotoxic, UW says only to use it if salt tablets and fluid restriction fail +