Effect of Early Non-invasive Phrenic Nerve Stimulation on Weaning in Mechanically Ventilated Patients

This study is testing whether applying non-invasive electrical stimulation to the phrenic nerve (the nerve that controls the diaphragm) early during mechanical ventilation helps patients breathe independently sooner and reduces the time they spend on a ventilator. It targets patients in the ICU who are expected to need a breathing machine for at least 3 days. **You may be eligible if...** - You are between 18 and 80 years old - You have been on a mechanical ventilator for 48 hours or less - You are expected to need the ventilator for at least 72 hours total - The chest and shoulder areas needed for the device are accessible - You or your family member has consented to participate **You may NOT be eligible if...** - You have a collapsed lung, active tuberculosis, or pleural adhesions - You have a pacemaker or defibrillator - You have a neuromuscular disease like myasthenia gravis - You are on a heart-lung bypass (ECMO) machine - You have an unstable heartbeat or blood pressure instability - You are pregnant - You are in the terminal phase of illness or receiving only palliative care Talk to your doctor to see if this trial is right for you.