The brain is very well protected from injury by the skull and membranes just below the skull, referred to as the meninges. The meninges consist of 3 layers, the dura mater, the arachnoid and the pia ...

...all 121 cases of SAH ... were identified by clinicians solely on the basis of CT imaging results The researchers collected data from 11 tertiary-care emergency departments across Canada on 3,132 ...

Patients who present with an SAH will classically describe the sudden onset as the worst headache of their life. However, a gradual onset of the severe headache over several minutes has been reported ...

Background. Acute non-traumatic focal subarachnoid haemorrhage (fSAH) is a rare transient ischaemic attack (TIA)-mimic. MRI is considered to be indispensable by some authors in order to avoid ...

The clinical significance of sentinel headaches (SHs) in patients with subarachnoid hemorrhage (SAH) is a matter of debate. It has been suggested that patients with an SH might have more-fragile ...

A 45 year-old man developed the abrupt onset of the "worst headache" of his life. Subarachnoid Hemorrhage. Axial CT scans without contrast. Note the bright signal in several locations which signifies ...

SAH is a devastating disease with a mortality of 45% and from which 30% of the survivors will have severe disability. 3 The chance of an aneurysm which has had a small rupture, having a further bleed ...

A 35 year-old man presented with an acute onset severe headache. His neurological examination was non-focal. Subarachnoid Hemorrhage - Sentinel Bleed. Axial CT scans without contrast. If one looks ...

Timing of CT head scans: What is the relative accuracy of CT head scans at different time intervals, for example 12 hours or 24 hours after symptom onset, to diagnose subarachnoid haemorrhage?

Dr. Gabriella DiCarlo (Neurology): A 64-year-old woman was evaluated in the emergency department of this hospital because of a sudden onset of the worst headache of her life. The patient had been in ...

Those belonging to the high socio-economic group have a 13 percent greater chance of surviving from a stroke known as subarachnoid hemorrhage than those in the lower socio-economic groups.However, ...

People with a suspected subarachnoid haemorrhage can present with a wide range of symptoms and signs. There was little evidence to indicate which symptoms or signs specifically point to a diagnosis of ...