Diagnosis of heart diseases:

• Talking to the patient about symptoms, medical history, and risk factors
• Performing a medical examination
• Ordering diagnostic tests for the patient such as blood tests, electrocardiogram, echocardiography, exercise test, CT scan, and cardiac catheterization.

Treatment of heart diseases:

• Lifestyle change: exercising, following a proper diet (decreasing salt, fat, and sugar), and not smoking or drinking.
• Medicine treatment: If lifestyle changes are not enough to treat the heart disease, medicine may be needed to improve heart function and bring oxygen-rich blood to it. The type of medicine depends on the type of heart problem.
• Coronary angioplasty: placement of a stent in the coronary arteries

Surgery: Coronary artery surgery, valve replacement, etc. are the cases of surgery and usage of a heart lung machine