Version July 2025
ECG: electrocardiogram; ETT: exercise tolerance test; HR: heart rate; ILR: implantable loop recorder; IV: intravenous; MI: myocardial infarction; PPM: permanent pacemaker; SSS: sick sinus syndrome; TSH: thyroid stimulating hormone.
* If atropine is ineffective, IV infusion of dopamine (5 to 20 mcg/kg/minute) or epinephrine (2 to 10 mcg/minute) may also be considered prior to temporary pacing.