Epidural Hematoma - Gradually development with venous blood between arachnid mater and dura mater. Source of bleeding is mostly (90%) middle meningeal artery. Subdural Hematoma - Quickly expanding with atrial blood between skull and dura mater. Source of bleeding is torn bridging artery Cephalhematoma (Neonatal) - Localized between pericranium and aponeurosis