Overdose and Toxicity
Monitor patients receiving beta blockers for signs of overdose: bradycardia, severe dizziness or fainting, severe drowsiness, dyspnea, bluish fingernails or palms, seizures. Notify health care professional immediately if these signs occur. Montior vitals and ECG every 5-15 minutes during and for several hours after parenteral admin. If heart rate is <40 bpm, especially if cardiac output is also decreased, administer atropine 0.25-.5 mg IV. Take apical pulse prior to administering. If heart rate is <50 bpm or if arrhythmias occur, hold medication and notify doctor.