Multiparameter Monitoring with a Wearable Cardioverter Defibrillator

Figures

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  Figure 1. A WCD with its components: the fabric garment with an adjustable belt and shoulder straps (1), self-gelling defibrillation pad with ten gel capsules (2), the electrode belt (3), the vibration box (4), the heart sounds sensor included in the apical defibrillation pad (5), and the monitor with the response buttons (6); © ZOLL CMS GmbH.

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  Figure 2. Upper picture: The fabric garment without the technical components (1). Lower picture: the fabric garment with the defibrillation pads (2), the electrode belt (3), and the vibration box (4); ©ZOLL CMS GmbH.

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  Figure 3. Arrhythmia detection algorithm.

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  Figure 4. The monitor unit consists of the connection point to the electrode belt (1), the response buttons (2), the rechargeable battery (3), the LCD touch screen (4), and a speaker (5); ©ZOLL CMS GmbH.

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  Figure 5. ZOLL Patient Management Network depicting a patient with >23 h/day.

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  Figure 6. ZOLL Patient Management Network depicting a patient with 5.3 h/day wearing.

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  Figure 7. Pressing the response buttons while experiencing AVB III°.

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  Figure 8. T-wave oversensing leading to an inappropriate shock.

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  Figure 9. Automatically recorded ECG—artefacts with underlying sinus rhythm.

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  Figure 10. WCD shock for VF and VT.

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  Figure 11. TRENDS data of a patient with an ongoing WCD prescription showing the daily step count (1), the body position (2), the body angle while reclined or lying (3) and the body position while reclined or lying (4).