purpuric rash
| Headline | |
|---|---|
| History | if unwell - ask about bone marrow suppression (infections, bruising) ➥ DHx*, recent infection, immunisation ➥ personal/family history of mucosal bleeding |
| Examination | |
| Diagnostic investigations | FBC, coag screen Urine dip |
| Differentials | unwell → acute leukaemia, meningococcal sepsis If well + abnormal bloods: Immune thrombocytopenic purpura/Thrombotic thrombocytopenic purpura, pancytopaenias, clotting disorders If well + normal bloods: senile purpura, raised SVC pressure, vasculitis (Henoch Schonlein purpura, NAI. |