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Vaskularisasi Otak

Oct 16, 2015

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Alphyn Wayan

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  • Vaskularisasi Otak*VaskularisasiArteriVena2 arteri carotis interna2 arteri vertebralisArteri cerebri anteriosArteri cerebri media

    A. Vertebralis beranastomosis dengan A. vertebralis kontralateral arteri basilaris

    Vena Cerebri externaVena Cerebri InternaVena cerebri superiorVena Cerebri media superfisialisVena Cerebri media profundaCirculus wilisi

  • *PASOK DARAH ARTERIAL KE OTAK A. carotis internaA. vertebralis 3. A. basilarisENCEPHALON4. CIRCULUS WILLISI1234

  • *

  • *CIRCULUS (ARTERIOSUS) WILLISICerebri post. (ka. ki.)+ a. communicans post.(ka. ki.) + a. carotis int.(ka. ki.) + a. cerebri ant.(ka. ki.)+ a. communicans ant.

  • *CIRCULUS WILLISI

  • *DISTRIBUSI ARTERIAL OTAKCEREBRI ANTERIOR (ACA)

    FACIES MEDIALIS HC 1. LOB. FRONT. 2. LOB. PARIET.OKLUSI (sumbatan) ACA Gangguan fungsi2 sensoris dan motoris extremitas kontralateral1. A. CEREBRI ANTERIOR (ACA)

  • *2. A. CEREBRI MEDIA (ACM)CEREBRI MEDIA (ACM)

    PERMUKAAN LATERAL HC1. LOB. FRONT2. LOB. PARIET.3. LOB. TEMP.(regio ant. + med.)A. cerebri media (ACM)OKLUSI ACM:Mengganggu fungsi2 sensoris dan motoris kontralateral (terutama extremitas superior).Jika capsula interna terganggu: seluruh tubuh kontralateral

  • *3. A. CEREBRI POSTERIOR (ACP)CEREBRI POSTERIOR (ACP)

    LOB. OCCIP.LOB. TEMP. (facies inf.)OKLUSI ACP:Terutama mengganggu fungsi-fungsi visual lapang pandang kontalateral