Effectiveness of body position modifications during simulated in-hospital CPR on chest compression quality in patients with obesity - nursing study.

A total of 60 nurses will be included in this study. All participants will perform 2-minute chest compression (CPR) sessions on manikins simulating patients with and without obesity. Interventions involve modified body positioning to optimise compression mechanics. Each nurses will perform compressions in both standard and modified positions in a randomized crossover design. CPR quality parameters (compression depth, rate, and full chest recoil) are measured using the Laerdal QCPR Meter 2. 1. Nurses will perform CPR under the following three randomized conditions: - Standard CPR on a normal-weight manikin placed on the floor - CPR on an obese manikin placed on a hospital bed adjusted to its lowest position - CPR on an obese manikin placed on a hospital bed adjusted to its lowest position, with the nurse standing on a 10-cm platform to improve ergonomic positioning All compressions are performed without real-time feedback. A 3-minute rest is provided between sessions. Each participant will also complete a pre-test demographic questionnaire (age, sex, BMI, profession, CPR experience, etc.). All procedures are conducted at the Medical Simulation Centre and hospital training facilities under standardised supervision.