A haemorrhagic stroke is defined as rapidly developing neurological dysfunction due to a focal collection of blood from within the brain parenchyma or ventricular system (intracerebral haemorrhage), or bleeding into the arachnoid space (subarachnoid haemorrhage) that is not caused by trauma.
This is a companion discussion topic for the original article at https://patient.info/doctor/subarachnoid-haemorrhage-pro