Non-invasive cardiology, in contrast, utilizes imaging techniques and diagnostic tests that do not require the insertion of instruments into the body. These methods include electrocardiography (ECG or EKG), echocardiography, nuclear cardiology, and cardiac magnetic resonance imaging (MRI). Non-invasive approaches are often employed for initial screenings, routine assessments, and ongoing monitoring of cardiovascular health. ECG, for example, records the heart's electrical activity, while echocardiography uses ultrasound to visualize the heart's structure and function. Non-invasive cardiology is valuable in detecting various cardiovascular conditions, such as arrhythmias, heart valve disorders, and congenital heart defects. While these methods are generally lower in risk and more accessible, they may have limitations in terms of the level of detail provided compared to invasive procedures. Non-invasive cardiology plays a crucial role in preventive care, early diagnosis, and long-term management of cardiovascular diseases, contributing to comprehensive and patient-centered cardiological practice.