THINK mnemonic 

for delirium in ICU 

 Toxic situations
          (CHF, shock, dehydration Deliriogenic meds) 
            New organ failure (eg, liver, kidney) 

Hypoxemia Infection/sepsis (nosocomial) 

Immobilization 

 Nonpharmacologic neglects
               Hearing aids, glasses, sleep protocols, music, noise control, no ambulation 

K+ or electrolyte problems

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