What Is Angina?

It climbs the stairs with you, then fades when you stop. That pattern — chest discomfort that arrives with effort and eases with rest — is the classic shape of angina. The short video above, titled simply "Angina," runs for just under two minutes and explains the core idea plainly: angina is the term used for chest pain caused by reduced blood flow to the heart muscle, and it is a symptom of coronary artery disease rather than a disease in its own right.

A pain that follows effort — and fades with rest

People rarely describe angina as a sharp stab. As the anchor video puts it, it is typically described as squeezing or pressure across the chest. It tends to be brought on by things that make the heart work harder — walking uphill, carrying something heavy, rushing in cold air, or emotional stress — because a narrowed coronary artery can pass enough blood at rest, but not enough when demand rises. When you stop and rest, demand falls and the discomfort usually settles within minutes. That coming-and-going pattern is exactly what separates it from many other chest pains.

Angina side by side with a heart attack

Here's where the contrast really matters. Angina is a warning of reduced blood flow; a heart attack is what happens when blood flow is blocked more completely and heart muscle starts to be damaged. Angina pain linked to effort usually eases with rest, while heart attack pain is more likely to persist, to arrive without exertion, and to come with breathlessness, sweating, nausea, or pain spreading to the arm, neck, or jaw. The line between them isn't one you should try to draw at home, though — new, severe, prolonged, or changing chest pain should always be treated as urgent until a clinician says otherwise. Our article on what happens during a heart attack walks through that emergency side of the story.

How clinicians sort it out

Sorting angina out starts with the story itself: when the pain comes, what brings it on, and how quickly it goes. A clinician may then arrange tests such as an ECG recording of the heart's electrical activity, blood tests, and tests that look at the heart under stress or image the coronary arteries directly. The aim is twofold — confirm that reduced blood flow is the cause, and understand how narrowed the arteries are. The site's longer video "How to Treat Angina", at just under nine minutes, starts from that same place: your chest pain is caused by blockages in your heart arteries, and the options depend on first determining what type of angina you have. Treatment in general terms is about easing symptoms, reducing the heart's workload, and lowering the risk of a future heart attack — the specific plan is always individual.

MedicalVideos.com has published trusted medical videos since 2007. The site was founded by Dr. Mohamed Ibrahim, MD, PhD — physician and researcher.

Frequently Asked Questions

Is angina a heart attack?
No. Angina is chest pain from reduced blood flow to the heart muscle, as the anchor video explains, and it usually eases with rest. A heart attack involves a more complete blockage that damages heart muscle — but chest pain should never be self-diagnosed, so new or severe pain needs urgent assessment.

What does angina feel like?
It is typically described as squeezing or pressure across the chest, in the anchor video's wording. It is often brought on by exertion or stress and settles within minutes of resting.

Why does angina happen?
Angina is a symptom of coronary artery disease. A narrowed coronary artery may pass enough blood at rest but not enough when the heart works harder, so pain follows effort and fades when demand drops.

How long is the anchor video?
Just under two minutes (1 minute 53 seconds by the video file itself). It defines angina as chest pain caused by reduced blood flow to the heart muscle and describes it as typically squeezing or pressure.

Educational only — this article is general information about angina, not medical advice and not a diagnosis. New, severe, prolonged, or worsening chest pain needs emergency assessment right away.