The Thin Skull Rule $/$ Egg$-$shell Skull Rule

$\text{'}$D must take the victim as he finds him.$\text{'}$

A difference between the 'type' of injury and the 'extent' of injury

As long as the type of the injury is reasonably foreseeable, D is liable for the full extent of $P^{\text{'}}$ s injury even where a prior vulnerability or an inherent weakness $($the 'thin skull'$)$ makes the harm more serious than it otherwise might be$.$