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It is important that you receive follow-up care, know about the possible complications that may occur after the procedure, and follow the treatment plan that your doctor recommends for your condition.

After the procedure, your doctor will remove the catheter, sheath, and guidewire. A dressing, accompanied by pressure, is applied to the site where the catheter was inserted to stop the bleeding. You will be moved to a recovery room.

Cardiac catheterization takes place in a catheterization laboratory, or cath lab, which is similar to a small operating room. A long thin tube called a catheter is inserted via a needle, guidewire, and sheath into a blood vessel leading to the heart.

You will meet with your cardiologist, a doctor who specializes in the heart. Your doctor will ask you about your medical history, do a physical exam, give you instructions on how to prepare for the procedure, and may give you some tests or procedures.

Your doctor may recommend cardiac catheterization to find out what is causing signs or symptoms of a heart problem or to treat or repair a heart problem.

Sleep plays a vital role in good health and well-being throughout your life. The way you feel while you are awake depends in part on what happens while you are sleeping. During sleep, your body is working to support healthy brain function and maintain your physical health. In children and teens, sleep also helps support growth and development. Getting inadequate sleep over time can raise your risk for chronic health problems. It can also affect how well you think, react, work, learn, and get along with others. Learn how sleep affects your heart and circulatory system, metabolism, respiratory system, and immune system and how much sleep is enough.

When you sleep, you cycle through two phases of sleep: rapid eye movement (REM) and non-REM sleep. The cycle starts over every 80 to 100 minutes. Usually there are four to six cycles per night. You may wake up briefly between cycles. Sleep studies use sensors to record eye movements and brain activity, which are used to classify sleep phases and stages.

Many factors play a role in preparing your body to fall asleep and wake up. Your body has several internal clocks, called circadian clocks. These typically follow a 24-hour repeating rhythm, called the circadian rhythm. This rhythm affects every cell, tissue, and organ in your body and how they work.

Sleep is a period of rest that alternates with wakefulness. You have internal body clocks that control when you are awake and when your body is ready for sleep. These clocks have cycles of approximately 24 hours. The clocks are regulated by multiple factors, including light, darkness, and sleep schedules. Once asleep, you cycle through the stages of sleep throughout the night in a predictable pattern.

Angina is not a heart attack, but it is a signal that you are at greater risk of having a heart attack. The risk is higher if you have unstable angina. For this reason, it is important that you receive follow-up care, monitor your condition, and understand your condition so you know when to get medical help. Your doctor may recommend heart-healthy lifestyle changes and cardiac rehabilitation to help manage angina.