Checklist for Evaluation of New-Onset Delirium in the ICU Initial assessment - Vital signs, neuro exam - STAT fingerstick glucose - Review medication list - Review recent events/procedures Labs: consider depending on context* - Electrolytes including Ca/Mg/Phos - CBC with differential - ABG/VBG only if hypercapneic encephalopathy likely - TSH - LFTs, ammonia - Relevant drug levels (e.g. lithium, digoxin, lidocaine) - Carboxyhemoglobin level for new presentation in winter - Additional tox/infectious workup as appropriate Consider CT head especially if* - Anticoagulated - Trauma - Acute/severe headache - Focal abnormality on exam - Substantially reduced level Of consciousness Consider LP especially if* - Delirium is chief complaint on admission - Evidence of infection (fever, leukocytosis, nuchal rigidity) Consider EEG especially if* - History of seizure - Exam concerning for nonconvuIsive status #Checklist #Delirium #Evaluation #Workup #MICU #CriticalCare #Diagnosis
