Table 1: Causes of systemic peripheral gangrene.

Causes of SPG
InfectiousPharmacologicSystemic

Bacterial sepsisDopamineDiltiazemParaneoplastic syndrome
Viral sepsisInotropinHaloperidolErgotism
RickettsiaEpoprostenolThorazinePolymyalgia rheumatica
PhenoxybenzamineCocaineRaynaud's phenomenon
PhentolamineAmphetamineC protein deficiency
TrimethaphanThiopentoneSickle cell disease