We Provide the holter monitor test in kolkata, 24 hour holter monitor cost in kolkata, holter monitor test cost in kolkata, 24 hour holter monitor test cost.A Holter monitor is a small portable device that can be worn 24 to 72 hours. It will continuously record the heart’s electrical signals (ECG) through electrodes attached to the chest. The recordings so received are then analyzed by a cardiologist to identify any abnormalities for further treatment. Ischemia: Another heart condition that needs attention is reduced or restricted blood flow to the heart muscle which can lead to chest pain.