tia | STROKE MANUAL

Definition and etiology of subarachnoid hemorrhage

SUBARACHNOID HEMORRHAGE Definition and etiology of subarachnoid hemorrhage David Goldemund M.D.Updated on 30/11/2023, published on 29/03/2021 [toc] Definition, epidemiology subarachnoid hemorrhage (SAH) is a clinical syndrome caused by bleeding into the subarachnoid space (located between the arachnoid membrane and the pia mater surrounding the brain) traumatic SAH occurs due to traumatic brain injury (TBI) non-traumatic ... Read more

Transient global amnesia (TGA)

ISCHEMIC STROKE / STROKE MIMICS Transient global amnesia (TGA) David Goldemund M.D.Updated on 11/03/2024, published on 24/03/2021 [toc] transient global amnesia (TGA) is a sudden, temporary (lasting < 24h) episode of memory loss with the absence of other neurological signs that can't be attributed to more common neurological conditions, such as epilepsy or stroke TGA ... Read more

CT perfusion (CTP)

CTP mismatch and final infarction after succesfull recanalisation of dominant M2 occlusion

NEUROIMAGING / COMPUTED TOMOGRAPHY CT perfusion (CTP) David Goldemund M.D.Updated on 09/10/2023, published on 21/03/2021 [toc] brain infarction is the consequence of a localized decrease in cerebral blood flow (CBF) CT perfusion (CTP) can be used to assess cerebral blood flow and differentiate the penumbra (salvageable brain tissue) from the core (area of damaged brain ... Read more

CT angiography (CTA)

NEUROIMAGING / COMPUTED TOMOGRAPHY Computed tomography angiography (CTA) David Goldemund M.D.Updated on 10/04/2024, published on 21/03/2021 [toc] CT angiography (CTA) is a fast (∼ 5 minutes), readily available, and non-invasive imaging modality used to assess both extra- and intracranial arteries it is based on the spatial reconstruction of images from a series of axial scans ... Read more

Computed tomography (CT) in stroke diagnosis

NEUROIMAGING / COMPUTED TOMOGRAPHY Computed tomography (CT) in stroke diagnosis David Goldemund M.D.Updated on 02/01/2024, published on 21/03/2021 [toc] computed tomography (CT) is essential in the management of patients with acute neurological deficits because of its rapid acquisition and immediate availability of results, it is usually the primary imaging modality used to rule out bleeding ... Read more

Diagnosis of cerebral venous sinus thrombosis

The straight sinus thrombosis with bithalamic venous infarction

CEREBRAL VENOUS SINUS THROMBOSIS Diagnosis of cerebral venous sinus thrombosis David Goldemund M.D.Updated on 12/03/2024, published on 07/04/2020 [toc] establishing the diagnosis of Cerebral Venous Sinus Thrombosis (CVST) is often difficult in the early stages; the temporal course and clinical symptoms are variable and often nonspecific focal neurological symptoms typically occur in association with venous ... Read more