Some unusual presentations of severe dengue fever have been
documented that have high lethality without progressing through
DHF. These patients may present with:
Encephalopathy;
Liver failure or fulminant hepatitis, demonstrated by
increased transaminases and bilirubin, and prolonged prothrombin
time (PT and PTT);
Cardiomyopathy—conduction defects, myocarditis; or
