carotid disease - UHNResearch

carotid disease - UHNResearch

Cerebrovascular Anatomy M. Christopher Wallace M.D. The Toronto Western Hospital, University Health Network University of Toronto Postgraduate Lecture Series

Division of Neurosurgery Friday October 6, 2000 Collateral Circulation Circle of Willis

Variation Leptomeningeal Collateral Cerebral Autoregulation Maintenance of blood flow during variation

in blood pressure Change in blood flow related to metabolic activity Mechanism for Cerebral Autoregulation?

Myogenic Neurogenic Metabolic Measurement of Cerebral Blood Flow

Seymour Kety Delivery of blood flow to given wt of brain per time period 50ml/100grams/minute Brain takes 12-15% of cardiac output

Internal Carotid Artery Divisions: cervical, petrous, cavernous, infraclinoid, supraclinoid Branches: meningohypophyseal trunk dorsal meningeal artery, tentorial artery, inferior

hypophyseal artery of the inferior cavernous sinus capsular arteries of McConnell

Internal Carotid Artery Internal Carotid Artery Supraclinoid Branches Ophthalmic

Posterior communicating Anterior choroidal Bifurcation Middle Cerebral Artery

Variation Divisions (M1-M4) Lenticulostriate arteries medial lateral putamen, caudate, sup

internal capsule Anterior Cerebral Artery Variation Divisions (A1-A4) Anterior communicating artery

Lamina terminalis, septal region, fornix, preoptic/hypothalamus Recurrent artery of Heubner Anterior putamen, pallidum and internal capsule

Recently Viewed Presentations

  • PES Board Brief - National Naval Officers Association

    PES Board Brief - National Naval Officers Association

    The master brief sheet is the primary document utilized by members of selection boards when tasked with building a case for such major events as selection for promotion, command, PME, and/or retention. Each Marine should ensure their master brief sheet...
  • How was the Weimar Republic established in 1919?

    How was the Weimar Republic established in 1919?

    How far did schools change Elizabethan England? It was estimated that there was a 10% increase in literacy in boys and no increase for girls during Elizabethan England. The main barrier to education was cost - not only with fees...
  • OLD TESTAMENT - Amazon S3

    OLD TESTAMENT - Amazon S3

    Devastation of Nineveh. Because of their evil (vv. 1, 4) they will be overrun by superior forces (vv. 2-3). But their destruction ultimately comes from the hand of God since He is against them (vv. 5-7).
  • Fluid and Electrolyte Review - Arkansas State University

    Fluid and Electrolyte Review - Arkansas State University

    Fluid and Electrolyte Imbalances * * Regulation of Sodium Renal tubule reabsorption affected by hormones: Aldosterone Renin/angiotensin Atrial Natriuretic Peptide (ANP) * Potassium Major intracellular cation ICF conc. = 150- 160 mEq/ L Resting membrane potential Regulates fluid, ion balance...
  • Az Európai Unió közös mezőgazdasági politikája

    Az Európai Unió közös mezőgazdasági politikája

    Az európai integráció története Az Európai Unió I. földrajz-geográfus szak Jeney László Egyetemi tanársegéd ELTE Regionális Földrajzi Tanszék
  • Digital Design - CS Course Webpages

    Digital Design - CS Course Webpages

    Boolean algebra (mid-1800s) Boole's intent: formalize human thought Switches (1930s) Shannon (1938) Digital design Showed application of Boolean algebra to design of switch- based circuits For telephone switching and other electronic uses 1 and 0 each actually corresponds to a...
  • History Ener-Tec, Inc. was incorporated in 1978 after

    History Ener-Tec, Inc. was incorporated in 1978 after

    We only ask the customer to make visual checks on the power supply amp meter to confirm that there is current going to the cell. ... If power supply has to be returned for inspection or repair we offer a...
  • OUTLINE 14 VI. Extensions to Mendels Rules (continued)

    OUTLINE 14 VI. Extensions to Mendels Rules (continued)

    Each trait is controlled by a different set of factors Hypothetical mechanism for determination of eye color in Humans Gene for melanin production B (produce) dominant to b (none) 2 Modifier loci affect amount of pigment deposited CC' and DD'...