You may feel pressure as the catheter is moved into position, but you shouldn’t feel pain. Your doctor will then insert the catheter through the sheath. They may also use ultrasound imaging for additional guidance. To help place the sheath correctly, they may use a needle or a small incision. Your doctor will insert a hollow, plastic tube called a sheath into the access site. The electrodes are then connected to an electrocardiogram (EKG) machine, which allows the medical team to monitor your heart activity during the procedure. Small discs called electrodes will be placed on your upper body. They may also use a small razor to shave off any hair from the access site, which may be on your upper thigh, arm, or neck. Usually, a nurse will use a local anesthetic to numb the area where the catheter will be inserted, also known as the access site. You’ll typically receive a medication called a sedative to help you relax, but you’ll remain alert enough to respond to instructions from doctors and nurses. The IV line will deliver medication and fluids to you before, during, and after the procedure. Your doctor will be assisted by a team that may include other doctors, nurses, technicians, and other medical professionals.īefore starting the heart catheterization procedure, a nurse will place an intravenous (IV) line in your arm or hand. What’s involved in the cardiac catheterization procedure?Ĭardiac catheterization usually happens in a hospital or surgery center.
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