Lernkarten

Christian Brunner
Karten 38 Karten
Lernende 2 Lernende
Sprache Deutsch
Stufe Universität
Erstellt / Aktualisiert 05.09.2014 / 31.03.2016
Lizenzierung Keine Angabe
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0 Exakte Antworten 38 Text Antworten 0 Multiple Choice Antworten
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Symptome bei Verschluss der cerebri anterior?

  • Contralateral hemiparesis with emphasis on the lower limb
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Symptome bei Verschluss der cerebri posterior?

  • Ipsilateral cranial nerve palsy with contralateral motor and/or sensory deficit
  • Bilateral motor and/or sensory deficit
  • Disorder or conjugate eye movement (vertical=midbrain, horizontal=pons)
  • Cerebellar dysfunction without ipsilateral long-tract deficit
  • Altered consciousness
  • Dysarthrophonia, dysphagia
  • Horner syndrome (also in carotid artery dissection)
  • Isolated homonymous visual field defect
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Verlauf von grossen thrombarteriellen Verschlüssen? 3

ähnlich wie bei thrombembolischen Ereignissen bis auf:

  • Typical atherogenic risk factors
  • Frequent TIAs, e.g. amaurosis fugax (internal carotid artery stenosis), in the same arterial territory
  • Onset often during sleep or atherothrombotic stroke during activity, a gradual progression or stepwise course over minutes to hours is characteristic (attributable to gradual accumulation of thrombus or to lowering of blood pressure, e.g. following antihypertensive therapy).
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Risikofaktor für Dissektionen?

3

  • Recent trauma
  • Previous infection
  • Signs of connective tissue abnormalities (hyperextensible joints, Marfan syndrome, known mitral valve prolapse)
  • Younger Patients!
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Klinscher Verlauf der Dissektionen? 4

is a focal neurological syndrome

  • + unilateral headache or neck pain
  • + pulsatile tinnitus
  • 1 ipsilateral Horner syndrome in the case of internal carotid artery dissection
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Early signs of ischaemia?

Aussagekraft?

Hypoattenuation involving one-third or more of the middle cerebral artery (MCA) territory

●Obscuration of the lentiform nucleus

●Cortical sulcal effacement

●Focal parenchymal hypoattenuation

●Loss of the insular ribbon or obscuration of the Sylvian fissure

●Hyperattenuation of large vessel (eg, "hyperdense MCA sign")

●Loss of gray-white matter differentiation in the basal ganglia

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Ab welchem Befund eher keine Lyse mehr?

Early signs of ischaemia + Ischaemieareal >1/3 des cerebri media -Territoriums

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Zeichen der arteriosclerotic leukencephalopathy?

hypodensity of the white matter with emphasis on periventricular regions