Search results for “subarachnoid hemorrhage”

324 results found
Article

Subarachnoid hemorrhage

Subarachnoid hemorrhage (SAH) is a type of extra-axial intracranial hemorrhage and denotes the presence of blood within the subarachnoid space. Epidemiology Patients tend to be older middle age, typically less than 60 years old 2. Subarachnoid hemorrhage accounts for 3% of stroke and 5% of str...
Case

Perimesencephalic subarachnoid hemorrhage

 Diagnosis certain
Dr Ahmed Abdelrahman
Published 13 Dec 2019
98% complete
CT
Article

Pseudosubarachnoid hemorrhage

Pseudosubarachnoid hemorrhage describes an apparent increased attenuation within the basal cisterns simulating true subarachnoid hemorrhage. It is usually due to cerebral edema. Pathology Etiology The most common cause is cerebral edema where there is a decrease in parenchymal attenuation and...
Case

Subarachnoid hemorrhage with intraventricular extension

 Diagnosis certain
Dr Abiola Ayodele
Published 10 Apr 2021
92% complete
CT
Case

Convexal subarachnoid hemorrhage in ischemic stroke

 Diagnosis almost certain
Dr Karina Dorfman
Published 21 Dec 2020
80% complete
CT
Article

Shunt-dependency in symptomatic aneurysmal subarachnoid hemorrhage score

The shunt-dependency in symptomatic aneurysmal subarachnoid hemorrhage (SDASH) score is a harmonized score for the prediction of hydrocephalus requiring shunting after subarachnoid hemorrhage. The tool is employed in the acute phase to predict which patients will require shunting, rather than to...
Case

Subarachnoid hemorrhage from dissection of PICA

Massive SAH predo...
 Diagnosis almost certain
Assoc Prof Frank Gaillard
Published 28 Nov 2008
53% complete
CTDSA (angiography)
Case

Subarachnoid hemorrhage and left anterior cerebral artery aneurysm

 Diagnosis certain
Dr Mohamed Hossam el Deen
Published 02 Sep 2016
76% complete
CT
Article

Subarachnoid hemorrhage (summary)

This is a basic article for medical students and other non-radiologists Subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space. This is usually found centrally (around the circle of Willis) but can occur in other parts of the brain. Reference article This is a summary article; ...
Article

Traumatic subarachnoid hemorrhage

Traumatic subarachnoid hemorrhage (tSAH) is a common injury, and trauma is the most common cause of subarachnoid hemorrhage (SAH) 5.  Epidemiology Traumatic subarachnoid hemorrhage occurs in ~35% (range 11-60%) of traumatic brain injuries 1.  Pathology Traumatic subarachnoid hemorrhage is mo...
Article

Perimesencephalic subarachnoid hemorrhage

Perimesencephalic subarachnoid hemorrhage (PMSAH) is a distinct pattern of subarachnoid hemorrhage (SAH), which is centered on the basal cisterns around the midbrain. Epidemiology Perimesencephalic subarachnoid hemorrhage is rare with an incidence of 0.5 in 100 000 in adults 4. PMSAH represent...
Article

Convexal subarachnoid hemorrhage

Convexal subarachnoid hemorrhages (cSAH) are non-traumatic intracranial hemorrhages that occur within the surface sulci of the brain (cf. basal cisternal distribution of aneurysmal SAH). Pathology There are various causes of convexal subarachnoid hemorrhage, some of which include: dural venou...
Article

Modified Fisher scale

The modified Fisher scale is a method for radiological grading subarachnoid hemorrhage (SAH) secondary to intracranial aneurysm rupture, assessed on the first non-contrast CT. It was modified from the original Fisher scale to account for patients with thick cisternal blood and concomitant intra...
Article

Cerebral vasospasm following subarachnoid hemorrhage

Cerebral vasospasm following subarachnoid hemorrhage is a major complication of subarachnoid hemorrhage (SAH). It is overtaking rebleed as the major cause of mortality and morbidity in the subgroup of patients with SAH who reach the hospital and receive medical care. It usually occurs after a fe...
Case

Subarachnoid hemorrhage

 Diagnosis certain
David Puyó
Published 28 Mar 2013
95% complete
CT
Case

Subarachnoid hemorrhage

 Diagnosis certain
Dr Naim Qaqish
Published 10 Dec 2019
95% complete
MRI
Case

Subarachnoid hemorrhage

 Diagnosis almost certain
Dr David Cuete
Published 26 May 2013
80% complete
CT
Article

Terson syndrome

Terson syndrome refers to vitreous hemorrhage associated with subarachnoid hemorrhage, however, some authors include retinal hemorrhage as well. The syndrome is a poor prognostic marker in patients with subarachnoid hemorrhage. Epidemiology Terson syndrome has been reported to occur in 13-50% ...
Case

Traumatic subarachnoid hemorrhage

 Diagnosis certain
Dr Ammar Ashraf
Published 26 Nov 2019
92% complete
CT
Case

Perimesencephalic subarachnoid hemorrhage

 Diagnosis certain
Assoc Prof Frank Gaillard
Published 24 Jan 2013
86% complete
CT

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