Indication
Symptomatic bradycardia, shock when norad unavailable.
Preparation
400 mg in 250 mL D5W (1600 mcg/mL).
Dilution
400 mg / 250 mL → 1600 mcg/mL
Rate
2–20 mcg/kg/min. >10 mcg/kg/min predominantly α effect.
Monitoring
- • ECG
- • BP
- • Urine output
Common errors
- • Extravasation causes necrosis — central line
- • More arrhythmogenic than noradrenaline
Pearls
- • No survival benefit over noradrenaline in septic shock
- • Useful as chronotrope while pacing arranged
