Consider discharge if:
Proven Phantom Shock
Resolved Pacemaker Mediated Tachycardia
Single shock only AND Currently asymptomatic AND No concerning associated symptoms (e.g. chest pain, dyspnea, syncope)
Ensure patient has Electrophysiology/Cardiology follow-up
Consider Electrophysiology/Cardiology consult
Admit all others
Proven Phantom Shock
Resolved Pacemaker Mediated Tachycardia
Single shock only AND Currently asymptomatic AND No concerning associated symptoms (e.g. chest pain, dyspnea, syncope)
Ensure patient has Electrophysiology/Cardiology follow-up
Consider Electrophysiology/Cardiology consult
Ensure patient has Electrophysiology/Cardiology follow-up
Consider Electrophysiology/Cardiology consult
Implantable Cardioverter-Defibrillator complication
Acute arterial ischemia
Pacemaker complication
Acute coronary syndrome 
Left ventricular assist device complications
Cardiac ablation complications
Aortic endograft complications
Myocardial rupture