Complications of Acute Coronary Syndromes By Ranya N Sweis, MD, MS, Northwestern University Feinberg School of Medicine; Arif Jivan, MD, PhD, Northwestern University Feinberg School of Medicine Reviewed / Revised Jun 2022 | Modified Sep 2022 View Patient Education Sinus Node Disturbances Atrial Arrhythmias Conduction Defects Ventricular Arrhythmias Heart Failure Papillary Muscle Disorders Myocardial Rupture Ventricular Aneurysm Hypotension and Cardiogenic Shock Right Ventricular Ischemia or Infarction Recurrent Ischemia Mural Thrombosis Pericarditis Post-MI Syndrome (Dressler Syndrome) Topic Resources Atrial fibrillation Atrial flutter Mobitz type I second-degree... Third-degree atrioventricular... Broad QRS ventricular tachycardia Ventricular Fibrillation Numerous complications can occur as a result of an acute coronary syndrome and increase morbidity and mortality.