UID:
edoccha_9961427381702883
Format:
1 videorecording (32 min., 15 sec.) :
,
sound, color
,
003215
Note:
Retrieved April 19, 2024, from https://hstalks.com/bs/1004/.
,
Introduction -- Arterial blood supply to the brain -- Circle of Willis -- Perforating branches of the Sylvian artery -- Lepto-meningeal arteries -- Territory supplied by the anterior cerebral artery -- Territory supplied by the middle cerebral artery -- Territory supplied by the posterior cerebral artery -- Lepto-meningeal anastomoses -- Cortical borderzone/watershed areas -- Lepto-meningeal arteries in subarachnoid space -- Perpendicular branches -- Pathophysiology in the case of occlusion -- Cerebral blood flow (1) -- Cerebral blood flow (2) -- Physiological regulation of CBF -- CBF equation -- CPP, CBF, CVR and vessel diameter -- Implication of decrease and increase in CPP -- Mean transit time -- Chronic arterial hypertension and autoregulation -- Modulators of CVR -- CBF reactivity to PaCO2 -- CBF reactivity to PaO2 -- Autoregulation in relation to PaC02 -- Effect of neuronal activity on CBF -- Neural control of CBF -- Cytochrome oxidase activity and vessel density -- Normal resting-state flow-metabolism coupling -- Flow-metabolism coupling in the resting state -- Focal neuronal activation and flow-metabolism -- Effects of reduced CPP -- Major physiological variables and CPP -- Occlusion of a cerebral artery -- Overview of stages 1 - 4 of CPP decrease -- Stage 1: hemodynamic reserve (autoregulation) -- Stage 2 -- Stage 2: oligemia -- Stage 3 -- Stage 3: severe reversible ischemia (penumbra) -- Stage 4 -- Stage 4: irreversible ischemic damage (core) -- Acute MCA occlusion -- Acute proximal MCA occlusion -- Growth of the core after permanent MCA occlusion -- MCA occlusion and systemic blood pressure -- Early post-ischemic hyperperfusion -- Early spontaneous hyperperfusion.
Language:
English
