Come funziona il defibrillatore e perché dà una scossa elettrica al cuore in caso di infarto

Cosa succede al cuore durante un’aritmia e perché una scarica elettrica può salvare una vita? In questo video spiegheremo come funziona il cuore umano, che ruolo ha l’impulso elettrico nel battito cardiaco e in quale caso si usa il defibrillatore. Vedremo a cosa serve questo strumento e perché può ristabilire un ritmo cardiaco regolare. Vi mostreremo anche l’elettrocardiogramma, lo strumento che rileva le irregolarità del battito.

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00:00 Intro
01:09 Come funziona il cuore nel corpo umano 
03:08 Come fa il cuore a battere: lo stimolo elettrico 
04:18 Elettrocardiogramma: come rileva anomalie del battito 
05:31 A cosa serve il defibrillatore? 
07:18 Arresto cardiaco: perché si fa anche la rianimazione e cosa succede
07:48 Pacemaker e defibrillatore impiantabile: differenze

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