Mostly death in PEM is due to all except –
Hypothermia
CCF
Worm infestation
Electrolyte imbalance
Hepatomegaly is one of the essential diagnostic feature of kwashiorkor, it does not indicate poor prognosis.
Poor prognostic factors in PEM, which can lead to early death -


Hypothermia                                                                                                                    
Hypoglycemia    
Systemic infections                                                                                                             
Diarrhea
Severe anemia    
Liver failure  
Cardiac failure  
Dehydration or over hydration
Fluid & electrolyte imbalance