University of Twente Student Theses
Developing a realistic simulation protocol for out-of-hospital cardiac arrest
Greebe, Daan and Delden, Reinout van and Verbist, Esmee and Funcke, Chantall (2025) Developing a realistic simulation protocol for out-of-hospital cardiac arrest.
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| Abstract: | Early recognition of out-of-hospital cardiac arrest (OHCA) is critical for survival. Wearable technology such as the CardioWatch, developed by the DETECT research group, may support early detection. This study aimed to develop a standardised and reproducible protocol to simulate OHCA in healthy young adults. Four healthy volunteers each performed 20 simulated cardiac arrest scenarios, varying in position (sitting, lying, standing), fall type (sudden, gentle, arm only), occlusion method (blood pressure cuff, tourniquet), and simulated convulsions. The CardioWatch collected photoplethysmography (PPG) and accelerometer data. Simulations were evaluated using five predefined PPG criteria; those meeting at least four were considered realistic. Out of 80 measurements, 52 met the criteria. The blood pressure cuff was more consistent and comfortable than the tourniquet, especially in sitting and lying positions. Standing scenarios only met the criteria when 100 mmHg above the systolic pressure was used. Walking and convulsions introduced significant signal artefacts. Falls onto the watch resulted in misleading data. In conclusion, the blood pressure cuff was the most effective method for simulating OHCA. Six scenarios were selected, forming a practical protocol that can serve as a foundation for the first part of the DETECT-4 study. |
| Item Type: | Essay (Bachelor) |
| Clients: | RadboudUMC, Nijmegen, Nederland |
| Faculty: | TNW: Science and Technology |
| Subject: | 44 medicine |
| Programme: | Technical Medicine BSc (50033) |
| Link to this item: | https://purl.utwente.nl/essays/106614 |
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