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A combination of these 4 drugs and an O2 cage is appropriate in a patient with respiratory distress of unknown cause, until you figure out a diagnosis.
What is
diuretic (Lasix 2 mg/kg IV),
steroid (Dex SP 0.1 mg/kg IV),
sedative (Butorphanol 0.3 mg/kg),
bronchodilator (Albuterol 2 puffs).