Child health · UKMLA & AKT
Subdural haemorrhage
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise subdural haemorrhage — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- SDH = blood between dura mater and arachnoid mater, from shearing of bridging veins (venous, not arterial)
- Collection is crescent-shaped and NOT limited by suture lines (unlike extradural which is biconvex and IS limited)
- Acute SDH = hyperdense (white) on CT; chronic SDH = hypodense (dark) on CT
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