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PHYSIOLOGY CEREBRAL CIRCULATION CEREBRAL BLOOD FLOW CBF: Cerebral perfusion pressure cerebral vascular resistance CPP: MAP-ICP Under normal ...
Understanding Stroke Brain Anatomy and Cerebral Circulation Cathy Corrigan-Lauzon HRSRH Enhanced District Stroke Program Revised June 2007 What is a Stroke?
Cerebral Blood Flow & Stroke Lecture 27 Cerebral Circulation Blood flow to CNS delivers O2, glucose, nutrients removes C O2, lactic acid, metabolites Cerebral ...

Enters skull through carotid canal Gives off: Ophthalmic artery Then divides into anterior and middle cerebral arteries (see next slides): together they supply 80% of ...
Stroke, Heart Attack, and Aneurysm A cerebrovascular accident, or stroke, results when an embolus lodges in a cerebral blood vessel or a cerebral blood vessel bursts; a ...
Blood Flow to the Brain Is top priority Brain has high oxygen demand When peripheral vessel constrict, cerebral vessels dilate, normalizing blood flow Stroke Also called ...
... II hypertension 160 and above/100 and above Disorders of the Blood Vessels White coat hypertension Hypotension Transient ischemic attacks (TIAs)- warning stroke Cerebral ...
III Irreversible or refractory shock: Various positive feed back mechanisms contribute to the production of irreversible shock for example: Severe Cerebral Ischemia ...
... shock excess fluid in tissue spaces causes low blood volume and low BP Tissue necrosis oxygen delivery and waste removal impaired Pulmonary edema suffocation Cerebral ...
Abdominal Aortic Aneurysm Repair Cerebral aneurysms Most common type: berry aneurysm Usually occur at the bifurcations and branches of the large arteries located at the ...
Brain circulation Stable; autoregulation governs When BP changes, cerebral arteries compensate via diameter change Stroke (cerebralvascular accident): brain tissue ...
... forms a midline partition that runs along the vermis of the cerebellum The Dura Mater The tentorium cerebelli extends into the transverse fissure between the cerebral ...
... loss of consciousness 4-5 minutes causes irreversible brain damage flow can be shifted from one active region to another Responds to changes in BP and chemistry cerebral ...
She claimed her son, who cannot be named, suffered from a long list of illnesses including diabetes, food allergies, cerebral palsy and cystic fibrosis.
Heat Exhaustion: Inadequate water/salt replacement Body temperature may be normal Symptoms: cerebral dysfunction nausea fatique Vasodilaton causing ...

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