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BASES ELECTROPHYSIOLOGIQUES DES CELL MYOCARDIQUES Différence de potentiel à l'état basal: diff de potentiel de -_____mV* au niveau de la MB à l'état stable (dû au diff concentrations des ions Na+ et K+ entre l'extérieur et l'intérieur de la cell)___________ de la MB:-modif brutale de la polarité MBR (excitation électrique/mécanique): surface MB chargé (+), cytoplasme chargé (-)-diff de potentiel passant à +____mV*: surface de la MB chargé (-),cytoplasme chargé (+)Propagation de la dépolarisation dans le cœur du sujet sain:-départ noeud sinusal -propa ds l'oreillette puis dans le ___________**(électrocardiogramme: mesure électricité qui se propage dans le cœur)PA:-process en __ phases** débutant par une _________-propa du PA d'action de _______ en _______ ds le cœur*
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