suite Flashcards

1
Q

perfusion coronaire : cas du ventricule gauche (droite on sen fout c pareil)

essentiel de la perfusion coronaire pendant ..

A

la diastole

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2
Q

innervation cardiaque

A

✔️ABSENCE dinnervation motrice =automaticité du cœur

✔️innervation par le système nerveux autonome

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3
Q

système nerveux autonome dans l’innervation autonome : nerf vague => système..

A

parasympathique

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4
Q

système parasympathique

✔️zones concernées

✔️action

A

oreillettes UNIQUEMENT

action frénatrice : effet chronotrope et effet dromotrope négatif

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5
Q

système sympathique

✔️zones concernées

✔️action

A

oreillettes, ventricules, vaisseaux

action accélératrice

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6
Q

sens de la conduction intra cardiaque

A

noeud sinusal -> noeud auriculo ventriculaire -> faisceaux de His -> fibres de purkinje

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7
Q

conduction intra cardiaque à l’origine d’une contraction cardiaque …

A

automatique et rythmique par des cellules cardionectrices = cardiomyocytes modifiés

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