Anger, Hostility, and Violent Behavior
Anger signals your body to prepare for a fight. This reaction is commonly classified as "fight or flight." When you get angry, adrenaline and other hormones are released into the bloodstream. Then your blood pressure goes up, your heart beats faster, and you breathe faster. Many people mistakenly believe that anger...
Angina
What is angina? Angina (say "ANN-juh-nuh" or "ann-JY-nuh") is a symptom of heart disease. Angina happens when there is not enough blood flow to the heart muscle. This is often a result of narrowed blood vessels, usually caused by hardening of the arteries (atherosclerosis). Angina can be dangerous. So it is...
Angiogram
An angiogram is an X-ray test that uses dye and a camera to take pictures of the blood flow in an artery or a vein. An angiogram can be used to look at the arteries or veins in the head, arms, legs, chest, back, or belly. This test is done to look for problems in the arteries or veins. An angiogram is done for many...
Angiogram of the Head and Neck
An angiogram of the head and neck is an X-ray test that uses a special dye and camera ( fluoroscopy) to take pictures of the blood flow in the blood vessels of the head and neck. An angiogram of the neck (carotid angiogram) can be used to look at the large arteries in the neck that lead to the brain. An angiogram of the...
Angiogram of the Lung
An angiogram of the lung is an X-ray test that uses a special dye and camera ( fluoroscopy) to take pictures of the blood flow in the blood vessels of the lung. During an angiogram, a thin tube called a catheter is placed into a femoral blood vessel in the groin (femoral vein) or just above the elbow (brachial...
Angioplasty for Coronary Artery Disease
Covers procedure, which is also called percutaneous coronary intervention, to widen narrow coronary arteries for stable angina and heart attack. Links to a slideshow of angioplasty. Describes use of stent and balloon to open artery. Explains why it's done and when it's not done. Includes how well it works, risks, and...
Angiotensin II receptor blockers (ARBs)
Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure to read the information that came with your medicine. If you have any questions...
Angiotensin-converting enzyme (ACE) inhibitors
What are the most important things you need to know about your medicines? Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure...
anidulafungin
Anidulafungin is an antifungal medicine that is used to treat candida (yeast) infections in the blood or the stomach in adults and children at least 1 month old. Anidulafungin is also used to treat candida infections of the esophagus only in adults. Anidulafungin may also be used for purposes not listed in this...
Animal and Human Bites
Discusses what to do for animal or human bites. Covers puncture wounds, cuts, scrapes, and crushing injuries. Covers bites by adults and kids, dogs and cats, and wild animals. Covers home treatment. Includes tool to help you decide when to call a doctor.
Animal and Human Bites: When Stitches Are Needed
A bite injury may need to be closed by a health professional, may require antibiotic medicines, or both. The decision to close a wound with stitches, staples, or skin adhesive depends on: The type of biting animal. The size and location of the bite. The time that has passed since the bite occurred...
Ankle Sprain
What is an ankle sprain? Most people have twisted an ankle at some point in their life. But if your ankle gets swollen and painful after you twist it, you have most likely sprained it. This means you have stretched and possibly torn the ligaments in your ankle. Even though ankle sprains are common, they are not...