Ongoing symptoms/complications (respiratory distress, chest pain, pulmonary edema, myocardial ischemia)
Infusion needed for rate control
Consider consult with cardiology prior
Patients with good rate/rhythm control and anticoagulation can usually be discharged<unk> ter an appropriate work-up
Ensure follow-up is arranged
Atrial flutter
Can be difficult to distinguish from atrial fibrillation
Wide-complex tachycardia
Regular
Narrow-complex tachycardia
AV Node Independent
Atrial fibrillation 
Sinus tachycardia