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Angina happens when your heart muscle does not get enough oxygen-rich blood. Medical conditions, particularly ischemic heart disease, or lifestyle habits can cause angina. To understand the causes of angina, it helps to understand how the heart works.

The types of angina are stable, unstable, microvascular, and variant. The types vary based on their severity or cause.

Angina is chest pain or discomfort that occurs if an area of your heart muscle does not get enough oxygen-rich blood. It is a common symptom of ischemic heart disease, which limits or cuts off blood flow to the heart.

If you or your child has been diagnosed with cystic fibrosis, it is important that you continue your treatments, follow up with your doctors, and learn how to manage the condition.

While there is not yet a cure for cystic fibrosis, advances in treatment are helping people live longer, healthier lives. After early diagnosis, the goal is proactive treatment to slow down lung disease as much as possible.

Your doctor may diagnose cystic fibrosis based on your signs and symptoms and results from certain tests, such as genetic and sweat tests that are done to confirm screening tests.

Most patients who have cystic fibrosis have noticeable symptoms. Some patients have few or no signs or symptoms, while others experience severe symptoms or life-threatening complications. Symptoms may also change over time. The most common complications of cystic fibrosis affect the lungs and pancreas.

Genetic testing may be performed to look for carriers, as well as to screen relatives of people who have cystic fibrosis.

A person is at higher risk for having cystic fibrosis if one or both parents is a carrier of a mutated CFTR gene or has cystic fibrosis.

Cystic fibrosis is an inherited disease caused by mutations in a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene.