How Eriksen’s heart device kicked into action

• Christian Eriksen's implanted cardioverter-defibrillator (ICD) functioned appropriately during his on-pitch cardiac arrest, demonstrating effective device intervention in a real-world emergency scenario
• The device's successful response highlights the life-saving capability of ICDs in detecting and treating potentially fatal arrhythmias outside controlled hospital settings
• This case underscores the importance of ICD implantation in patients with identified cardiac risk factors and the reliability of modern cardiac devices in sudden cardiac events

Denmark's team doctor said an ICD implanted into the footballer's chest responded as it should after he collapsed on Sunday.

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