Invasive cardiology: In this
a catheter is placed in the femoral artery and guided through the aorta into the coronary arteries
contrast dye is injected and pictures are taken to look for stenosis.
Interventional cardiology is a branch of the medical specialty of cardiology that deals specifically with the catheter based treatment of structural heart diseases.
Interventional cardiology:
the cardiologist also fixes the lesions /stenosis using a variety of techniques such as balloon angioplasty, etc.
(i.e. diagnostic and therapeutic).
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cardiologist practices in a branch of internal medicine that deals with the diagnosis and treatment of disorders of the heart and circulatory system, including those that stem from birth abnormalities, diseases, or advancing age.
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Cardiology and cardiovascular surgery complement each other. Over the years, doctors in these fields have worked closely together in the treatment of heart diseases. For example, the cardiologist may determine that a child has been born with a hole between the chambers of the heart; the cardiovascular surgeon is the one who will repair this hole through open heart surgery.
A cardiologist must be acquainted not only with anatomy and physiology but also with modern computerized diagnostic equipment.