Algorithm management Mobitz I second degree AV block in adults

AV: atrioventricular; ECG: electrocardiogram; CHB: complete heart block; BP: blood pressure; HF: heart failure; IV: intravenous; PPM: permanent pacemaker.
* The initial dose of atropine is 0.5 mg IV. This dose may be repeated every three to five minutes to a total dose of 3 mg.
¶ While transcutaneous pacing may be initially successful in stabilizing the patient, it may not be consistently reliable. Central venous access should be considered in the event that urgent transvenous pacing is required.
Δ Dopamine IV infusion typically begins at a dose of 3 mcg/kg/minute and can be titrated up to 20 mcg/kg/minute if needed for heart rate and blood pressure augmentation.
◊ Dobutamine IV infusion typically begins at a dose of 5 mcg/kg/minute and can be titrated up to 20 mcg/kg/minute if needed for heart rate and blood pressure augmentation.