To diagnose and screen for various kinds of pain Management, different kinds of imaging tests are used. Few tests are used to diagnose heart and blood vessel-related issues, which come under the category of cardiology inclusive of ECG (Electrocardiogram), Holter Monitoring, TMT (Treadmill Test), 2D Echo Scan, Dobutamine stress echo. The treatment of heart-related diseases or disorders depends on the result of the test.