CVS ppt

ANTIANGINAL DRUGS By Dr. Shah Murad [email_address]

Angina (an-JI-nuh or AN-juh-nuh) is chest pain or discomfort that occurs when an area of your heart muscle doesn't get enough oxygen-rich blood. Angina may feel like pressure or squeezing in your chest. The pain also may occur in your shoulders, arms, neck, jaw, or back. It can feel like indigestion

Angina itself isn't a disease. Rather, it's a symptom of an underlying heart problem. Angina is usually a symptom of coronary artery disease (CAD), the most common type of heart disease

CAD occurs when a fatty material called plaque (plak) builds up on the inner walls of the coronary arteries. These arteries carry oxygen-rich blood to your heart. When plaque builds up in the arteries, the condition is called atherosclerosis (ATH-er-o-skler-O-sis)

Pain and discomfort are the main symptoms of angina. Angina is often described as pressure, squeezing, burning, or tightness in the chest. It usually starts in the chest behind the breastbone

Pain from angina also can occur in the arms, shoulders, neck, jaw, throat, or back. It may feel like indigestion. Some people say that angina discomfort is hard to describe or that they can't tell exactly where the pain is coming from

Symptoms such as nausea (feeling sick to your stomach), fatigue (tiredness), shortness of breath, sweating, light-headedness, or weakness also may occur. Women are more likely to feel discomfort in their back, shoulders, and abdomen. Symptoms vary based on the type of angina.

Other symptoms along with pain are necessary concerned with angina, such as: sweating, weakness, faintness, numbness or tingling, or nausea Pain that does not go away after a few minutes

Stable(atherosclerotic,classic) Angina or angina of effort The pain or discomfort: Occurs when the heart must work harder, usually during physical exertion Doesn't come as a surprise, and episodes of pain tend to be alike Usually lasts a short time (5 minutes or less) Is relieved by rest or medicine May feel like gas or indigestion May feel like chest pain that spreads to the arms, back, or other areas

Unstable (crescendo) Angina or acute coronary syndrome The pain or discomfort: Often occurs at rest, while sleeping at night, or with little physical exertion Comes as a surprise Is more severe and lasts longer (as long as 30 minutes) than episodes of stable angina Is usually not relieved with rest or medicine May get continually worse May mean that a heart attack will happen soon

Vasospastic or rest or Variant (Prinzmetal's) Angina The pain or discomfort: Usually occurs at rest and during the night or early morning hours Tends to be severe and may deteriorate into unstable angina Is relieved by medicine

Other Names for Angina Angina pectoris Acute coronary syndrome Chest pain Coronary artery spasms Prinzmetal's angina Stable or common angina Unstable angina Variant angina

When physical exertion, strong emotions, extreme temperatures, or eating increase the demand on the heart, a person with angina feels temporary pain, pressure, fullness, or squeezing in the center of the chest or in the neck, shoulder, jaw, upper arm, or upper back. This is angina, especially if the discomfort is relieved by removing the stressor and/or taking sublingual (under the tongue) nitroglycerin

Not all chest pain is angina. Pain in the chest can come from a number of causes, which range from not serious to very serious. For example, chest pain can be caused by: acid reflux ( gastroesophageal reflux disease , GERD), upper respiratory infection, asthma , or sore muscles and ligaments in the chest (chest wall pain)

How Is Angina Diagnosed? The most important issues to address when you go to the doctor with chest pain are: What's causing the chest pain Whether you're having or are about to have a heart attack Angina is a symptom of an underlying heart problem, usually coronary artery disease (CAD). The type of angina pain you have can be a sign of how severe the CAD is and whether it's likely to cause a heart attack.

If you have chest pain, your doctor will want to find out whether it's angina. He or she also will want to know whether the angina is stable or unstable. If it's unstable, you may need emergency medical attention to try to prevent a heart attack. To diagnose chest pain as stable or unstable angina, your doctor will do a physical exam, ask about your symptoms, and ask about your risk factors and your family history of CAD or other heart disease

DOCTOR may also ask questions about your symptoms, such as: What brings on the pain or discomfort and what relieves it? What does the pain or discomfort feel like (for example, heaviness or tightness)? How often does the pain occur? Where do you feel the pain or discomfort? How severe is the pain or discomfort? How long does the pain or discomfort last?

Diagnostic Tests and Procedures If your doctor suspects that you have unstable angina or that your angina is related to a serious heart condition, he or she may order one or more tests

EKG (Electrocardiogram) An EKG is a simple test that detects and records the electrical activity of your heart. An EKG shows how fast your heart is beating and whether it has a regular rhythm. It also shows the strength and timing of electrical signals as they pass through each part of your heart. Certain electrical patterns that the EKG detects can suggest whether CAD is likely. An EKG also can show signs of a previous or current heart attack. However, some people with angina have a normal EKG

During stress testing , you exercise to make your heart work hard and beat fast while heart tests are performed. If you can't exercise, you're given medicine to speed up your heart rate

During exercise stress testing, your blood pressure and EKG readings are checked while you walk or run on a treadmill or pedal a bicycle. Other heart tests, such as nuclear heart scanning or echocardiography , also can be done at the same time

If you're unable to exercise, a medicine can be injected into your bloodstream to make your heart work hard and beat fast. Nuclear heart scanning or echocardiography is then usually done

When your heart is beating fast and working hard, it needs more blood and oxygen. Arteries narrowed by plaque can't supply enough oxygen-rich blood to meet your heart's needs

stress test can show possible signs of CAD, such as: Abnormal changes in your heart rate or blood pressure Symptoms such as shortness of breath or chest pain Abnormal changes in your heart rhythm or your heart's electrical activity

Chest X Ray A chest x ray takes a picture of the organs and structures inside the chest, including your heart, lungs, and blood vessels. A chest x ray can reveal signs of heart failure , as well as lung disorders and other causes of symptoms that aren't due to CAD

Coronary Angiography and Cardiac Catheterization Your doctor may ask you to have coronary angiography (an-jee-OG-ra-fee) if other tests or factors show that you're likely to have CAD. This test uses dye and special x rays to show the insides of your coronary arteries.

To get the dye into your coronary arteries, your doctor will use a procedure called cardiac catheterization (KATH-e-ter-i-ZA-shun). A long, thin, flexible tube called a catheter is put into a blood vessel in your arm, groin (upper thigh), or neck. The tube is then threaded into your coronary arteries, and the dye is released into your bloodstream. Special x rays are taken while the dye is flowing through the coronary arteries

Cardiac catheterization is usually done in a hospital. You're awake during the procedure. It usually causes little to no pain, although you may feel some soreness in the blood vessel where your doctor put the catheter

Blood tests check the levels of certain fats, cholesterol, sugar, and proteins in your blood. Abnormal levels may show that you have risk factors for CAD

Your doctor may order a blood test to check the level of C-reactive protein (CRP) in your blood. Some studies suggest that high levels of CRP in the blood may increase the risk for CAD and heart attack.

Your doctor also may order a blood test to check for low hemoglobin (HEE-muh-glow-bin) in your blood. Hemoglobin is an iron-rich protein in the red blood cells that carries oxygen from the lungs to all parts of your body. If you have low hemoglobin, you may have a condition called anemia

How Is Angina Treated? Treatments for angina include lifestyle changes, medicines, medical procedures, and cardiac rehabilitation (rehab). The main goals of treatment are to: Reduce pain and discomfort and how often it occurs Prevent or lower the risk of heart attack and death by treating the underlying heart condition

Lifestyle changes and medicines may be the only treatments needed if your symptoms are mild and aren't getting worse. When lifestyle changes and medicines don't control angina, you may need medical procedures or cardiac rehab Unstable angina is an emergency condition that requires treatment in the hospital

Making lifestyle changes can help prevent episodes of angina. You can: Slow down or take rest breaks if angina comes on with exertion. Avoid large meals and rich foods that leave you feeling stuffed if angina comes on after a heavy meal. Try to avoid situations that make you upset or stressed if angina comes on with stress. Learn ways to handle stress that can't be avoided

You also can make lifestyle changes that help lower your risk of heart disease. An important lifestyle change is adopting a healthy diet. This will help prevent or reduce high blood pressure , high blood cholesterol , and obesity

Follow a heart healthy eating plan that focuses on fruits, vegetables, whole grains, low-fat or no-fat diary products, and lean meat and fish. The plan also should be low in salt, fat, saturated fat, trans fat, and cholesterol.

Examples of healthy eating plans are the National Heart, Lung, and Blood Institute's Therapeutic Lifestyle Changes (TLC) diet and the Dietary Approaches to Stop Hypertension (DASH) eating plan

Your doctor may recommend TLC if you have high cholesterol or the DASH eating plan if you have high blood pressure. Even if you don't have these conditions, you can still benefit from these heart healthy plans

Other important lifestyle changes include Quitting smoking, if you smoke. Avoid secondhand smoke. Being physically active. Check with your doctor to find out how much and what kinds of activity are safe for you. Losing weight, if you're overweight or obese. Taking all medicines as your doctor prescribes, especially if you have diabetes

Nitrates are the most commonly used medicines to treat angina. They relax and widen blood vessels. This allows more blood to flow to the heart while reducing its workload

Nitroglycerin is the most commonly used nitrate for angina. Nitroglycerin that dissolves under your tongue or between your cheeks and gum is used to relieve an angina episode. Nitroglycerin in the form of pills and skin patches is used to prevent attacks of angina. These forms of nitroglycerin act too slowly to relieve pain during an angina attack

You also may need other medicines to treat angina Beta blockers, Calcium channel blockers, ACE inhibitors, Oral antiplatelet medicines, Anticoagulants

Steps to be taken Lower blood pressure and cholesterol levels Slow the heart rate Relax blood vessels Reduce strain on the heart Prevent blood clots from forming

Medical Procedures When medicines and other treatments don't control angina, you may need a medical procedure to treat the underlying heart disease. Angioplasty (AN-jee-oh-plas-tee) and coronary artery bypass grafting (CABG) are both commonly used to treat angina

Angioplasty opens blocked or narrowed coronary arteries. During angioplasty, a thin tube with a balloon or other device on the end is threaded through a blood vessel to the narrowed or blocked coronary artery. Once in place, the balloon is inflated to push the plaque outward against the wall of the artery. This widens the artery and restores blood flow

Angioplasty can improve blood flow to your heart, relieve chest pain, and possibly prevent a heart attack. Sometimes a small mesh tube called a stent is placed in the artery to keep it open after the procedure

During CABG, healthy arteries or veins taken from other areas in your body are used to bypass (that is, go around) your narrowed coronary arteries. Bypass surgery can improve blood flow to your heart, relieve chest pain, and possibly prevent a heart attack. Your doctor will help decide which treatment is right for you

Cardiac Rehabilitation Your doctor may prescribe cardiac rehab for angina or after angioplasty, CABG, or a heart attack Rehab has two parts Exercise training. This part helps you learn how to exercise safely, strengthen your muscles, and improve your stamina. Your exercise plan will be based on your individual abilities, needs, and interests. Education, counseling, and training. This part of rehab helps you understand your heart condition and find ways to reduce your risk of future heart problems. The cardiac rehab team will help you learn how to cope with the stress of adjusting to a new lifestyle and to deal with your fears about the future

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