Lethargy in a 65-yr-old Man

Test Result 1

Results of appropriate testing return and show the following:


Electrolytes:

Test (units) Result Results (SI Units)
Sodium 138 mEq/L 138 mmol/L
Potassium 4.0 mEq/L 4.0 mmol/L
Chloride 100 mEq/L 100 mmol/L
Bicarbonate 24 mEq/L 24 mmol/L

Blood:

Test (units) Result Results (SI Units)
TSH 2.0 mcIU/mL 2.0 mIU/L
TSH 2.0 mcIU/mL 2.0 mIU/L
Acetaminophen and salicylate levels Undetectable
Digoxin level 0
Bedside glucose 68 mg/dL 3.8 mmol/L

Urine:

Test (units) Result
Toxicology screen Positive for opioids and marijuana