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00:00a cardiac catheterization allows doctors to see the inside of your heart without doing surgery
00:05to open your chest pretty amazing the arteries in your groin or your arm carry blood from the heart
00:13that means they also work like a highway leading back to the heart in a catheterization the doctor
00:19places a needle into the artery and runs a guide wire through the needle the needle is removed
00:24and then a small plastic tube called a catheter is sent into the artery now the doctor carefully
00:30guides the catheter up the body's main artery towards the heart the circle highlights where
00:35the tip of the catheter is threaded through the main artery to the heart and the coronary arteries
00:41various instruments may be placed at the tip of the catheter from there the doctor can take pictures
00:47of the coronary arteries measure pressure inside the four chambers of the heart or perform procedures
00:53like angioplasty and stent placement