coronary
C1Pronunciation
UK
- /kˈɒrənəri/
US
- /ˈkɔrəˌnɛri/
Description
- of the heart (especially its arteries)
- involving blood flow to the heart muscle
- used in medical terms about heart arteries
- informal: a heart attack
You've likely heard the word "coronary" when talking about heart health. The term comes from the Latin corona, meaning "crown." If you imagine the arteries wrapping around the heart, they encircle it like a crown, supplying the muscle with vital blood and oxygen.
So when doctors say something is "coronary," they usually mean it has to do with these arteries and the blood flow that keeps the heart muscle alive.
Coronary artery disease, for example, isn't about a literal crown; it's about narrowing or blockage in the vessels that feed the heart. You might also hear about a "coronary bypass," which is surgery to reroute blood flow around a blockage. It's a serious term used mostly in medical contexts to describe how the heart is supplied with blood.
The word "coronary" originates from the Latin word corona, meaning "crown." In anatomy, it specifically refers to the arteries that encircle the heart (much like a crown) and supply it with oxygen-rich blood. These coronary arteries are essential for keeping the heart functioning; without them, the heart muscle would quickly fail.
Because of this, "coronary" is used as an adjective to describe anything related to these arteries or the heart's blood supply. You will most often encounter it in medical contexts:
Coronary artery disease (CAD):* A condition where plaque builds up inside the arteries, restricting blood flow. Coronary bypass surgery:* A procedure to create new routes for blood to reach the heart muscle when an artery is blocked. Coronary care unit (CCU):* A hospital unit for people with serious heart problems. Coronary thrombosis:* A blockage in a coronary artery caused by a blood clot.
In informal, everyday English, "coronary" is also frequently used as a noun to mean a heart attack (e.g., "The news was so shocking, he nearly had a coronary"). While it is a technical term, understanding its "crown" etymology helps you remember that it's all about the vital network of vessels keeping your heart beating strong.
Examples
- 1
Heart anatomy
The scan showed a blockage in one of his coronary arteries.
- 2
Heart surgery
She returned to work a few months after her coronary bypass surgery.
Domain
coronary bypass surgery
an operation to improve blood flow to the heart
- 3
Informal reaction
If my mother sees this bill, she'll have a coronary.
Usage
have a coronary
react with extreme shock or anger; informal
Forms and spellings
2 forms open this card.
Main spelling
- coronarynounadjective
Forms
- coronariespluralnounadjective