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Left Heart Catheterization
WHAT YOU NEED TO KNOW:
A left heart catheterization is a procedure to look at your heart and its arteries. You may need this procedure if you have chest pain, heart disease, or your heart is not working as it should.
HOW TO PREPARE:
The week before your procedure:
- Write down the correct date, time, and location of your procedure.
- Ask your caregiver if you need to stop using aspirin or any other prescribed or over-the-counter medicine before your procedure or surgery.
- Bring your medicine bottles or a list of your medicines when you see your caregiver. Tell your caregiver if you are allergic to any medicine. Tell your caregiver if you use any herbs, food supplements, or over-the-counter medicine.
- You will get a contrast dye to show the parts of your heart more clearly. Tell the healthcare provider if you have ever had an allergic reaction to contrast dye. You may be given antihistamine medicine to help prevent a reaction to the dye.
- You may need blood or urine tests before your procedure. Talk to your healthcare provider about these or other tests you may need. Write down the date, time, and location for each test.
The night before your procedure:
Ask caregivers about directions for eating and drinking.
The day of your procedure:
- Ask your caregiver before taking any medicine on the day of your procedure. These medicines include insulin, diabetic pills, high blood pressure pills, or heart pills. Bring a list of all the medicines you take, or your pill bottles, with you to the hospital.
- You or a close family member will be asked to sign a legal document called a consent form. It gives caregivers permission to do the procedure or surgery. It also explains the problems that may happen, and your choices. Make sure all your questions are answered before you sign this form.
- Caregivers may insert an intravenous tube (IV) into your vein. A vein in the arm is usually chosen. Through the IV tube, you may be given liquids and medicine.
- You will be given medicine to help you relax. You will receive local anesthesia that will numb the area where the catheter will be placed. You will be awake during the procedure so that your healthcare providers can give you instructions. You will need to let them know if you have any discomfort.
WHAT WILL HAPPEN:
What will happen:
- Your healthcare provider will insert a catheter into an artery in your arm or leg. An x-ray will be used to carefully guide the catheter to your heart. He will inject a dye so he can see the blood vessels, muscle, or valves of your heart more clearly. You may get a warm feeling or slight nausea right after the dye is injected. This is normal, and will pass quickly. Your healthcare provider may remove a small sample of heart tissue and send it to a lab for testing. He may also open a narrow or blocked heart valve or artery. A stent (small tube) may be left inside your artery to hold it open.
- The catheter may be left in place to monitor pressure in your heart. When the catheter is removed, a healthcare provider will apply pressure to the site for at least 30 minutes to help decrease the risk of bleeding. A collagen plug or other closure devices may be used to close the site. Healthcare providers will cover the site with a pressure bandage to decrease further bleeding.
After your procedure:
You will be taken to a room to rest until you are fully awake. Healthcare providers will monitor you closely for any problems. Do not get out of bed until your healthcare provider says it is okay. When your healthcare provider sees that you are okay, you will be taken to your hospital room. You may need to lie flat and keep your arm or leg straight for several hours. Arm or leg movement too soon can cause serious bleeding. Healthcare providers may ask you to drink more liquids to help flush the dye from your body. If the catheter was in your groin and you need to cough, apply pressure over the area with your hands as directed.
CONTACT YOUR HEALTHCARE PROVIDER IF:
- You cannot make it to your procedure.
- You have a fever.
- Your symptoms, such as chest pain or shortness of breath, get worse.
- You have questions or concerns about your procedure.
Seek Care Immediately if
- You have any of the following signs of a heart attack:
- Squeezing, pressure, or pain in your chest that lasts longer than 5 minutes or returns
- Discomfort or pain in your back, neck, jaw, stomach, or arm
- Trouble breathing
- Nausea or vomiting
- Lightheadedness or a sudden cold sweat, especially with chest pain or trouble breathing
During the procedure, the catheter may tear an artery and cause bleeding. An air bubble may enter your lung, or your lung may collapse. You may have a heart attack. After the procedure, you may have bleeding or an infection. You may have damage to a heart valve, or a fistula (abnormal opening) may form between an artery and vein. You may have irregular heartbeats, which may cause dizziness or fainting. You may get a blood clot in your leg or arm. Without this procedure, your condition may get worse. These problems may become life-threatening.
Care AgreementYou have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your caregivers to decide what care you want to receive. You always have the right to refuse treatment.
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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.