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Heart and circulation
Welcome to Bupa's health hub of information on heart and circulation.
Heart attack
A heart attack, also known as myocardial infarction or coronary thrombosis, happens when a coronary artery (a blood vessel that supplies the heart with blood) carrying oxygen-rich blood to the heart is blocked.
Learn moreStroke
A stroke happens when the blood supply to your brain is interrupted. It happens suddenly and can cause immediate loss of feeling and weakness, usually on one side of your body.
Learn moreAngina
Angina describes the pain and chest tightness - and sometimes breathlessness or choking feeling - caused when blood flow in the arteries that supply the heart is restricted.
Learn moreArrhythmia
Arrhythmia is a disturbance of your heart’s usual electrical rhythm. Arrhythmias can happen at any age and mostly they aren’t serious.
Learn moreCardiac catheterisation
This is an examination of the heart muscle and the blood vessels (arteries) that supply blood to the heart using a thin, flexible tube called a catheter combined with a special dye that shows up on X-ray pictures.
Learn moreCoronary heart disease
Coronary heart disease is due to fatty deposits building up on the walls of the arteries to the heart. It causes angina, which is chest pain.
Learn moreElectrocardiogram (ECG)
An ECG records the rhythm and the electrical activity of the heart. An ECG is a test used to find out if the heart is healthy.
Learn moreHaving a CABG
This information was published by Bupa's health information team and is based on reputable sources of medical evidence. It has been peer reviewed by Bupa doctors. The content is intended for general information only and does not replace the need for personal advice from a qualified health professional.
Learn moreHaving your heart valve replaced
Your operation involves replacing a damaged valve in your heart with one made of synthetic material (a mechanical valve) or animal tissue (usually from a pig).
Learn moreHeart failure
Heart failure is a term used to describe the condition when the heart isn't pumping blood around the body as well as it should be.
Learn moreHigh blood pressure
This factsheet is for people who have high blood pressure (hypertension), or who would like information about it.
Learn moreIntroducing the cardiovascular system
A constant supply of oxygen is needed to keep the body functioning. The cardiovascular system - made up of heart, lungs and blood vessels, and the blood that circulates through these - is responsible for getting oxygen into your body, and circulating it everywhere its needed.
Learn moreRecovering from your CABG
This follows on from Having a CABG and provides some information about recovery and rehabilitation after you leave the intensive care unit (ICU). If it doesn’t answer all your questions, or if you have any worries, please do not hesitate to ask your specialist or nurse for more information.
Learn moreSee all heart and circulation articles
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