CRT-D is an advanced therapy for patients with heart failure and electrical conduction problems. This device not only resynchronizes the heart’s chambers to improve pumping efficiency but also includes a defibrillator to prevent sudden cardiac death due to dangerous arrhythmias. Patients with severe heart failure, low ejection fraction, or repeated hospitalizations benefit most. Dr. Bhaimangesh Naik ensures precise lead placement, proper device programming, and ongoing follow-up for optimal heart function and safety.