Electromechanical dissociation
More common causes
Hypothermia
Cardiac tamponade
Myocardial infarction
Hypoglycemia
Septic shock
Hypoxemia
Pulmonary embolism
Metabolic acidosis
Hypovolemic shock
Hyperkalemia
Respiratory acidosis
Cardiogenic shock
Hemorrhagic shock
Less common causes
Acute myocarditis
Hypomagnesemia
Tricyclic antidepressant overdose