6. Complications 1). pulmonary encephalopathy: main cause of death 2). imbalance of acid and alkaline disturbance of electrolytes 3) arrhythmia 4). shock: infection, blood loss, cardiac 5). digestive bleeding 6). DIC6. Complications 1). pulmonary encephalopathy: main cause of death 2). imbalance of acid and alkaline, disturbance of electrolytes 3). arrhythmia 4). shock: infection, blood loss, cardiac 5). digestive bleeding 6). DIC