Which procedure allows visualization of the coronary arteries and placement of a stent?

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Cardiac catheterization is a procedure where a thin tube is inserted through a blood vessel in the arm or leg and guided to the heart. This allows visualization of the coronary arteries and placement of a stent if necessary. Echocardiography is a non-invasive imaging test that uses ultrasound to produce images of the heart. Enhanced external counter pulsation is a non-invasive treatment for angina that involves placing cuffs on the patient's thighs and calves to improve blood flow to the heart. Coronary artery bypass is a surgical procedure that involves rerouting blood flow around blocked or narrowed arteries in the heart.

Which Procedure Allows Visualization of the Coronary Arteries and Placement