Tag : vessels

Understanding the heart and coronary arteries

The heart is made mainly of special muscle. The heart pumps blood into blood vessels (arteries) which take the blood to every part of the body. The coronary arteries supply oxygen-rich blood to the heart If these arteries are narrowed or blocked, the heart does not get enough oxygen. This can cause angina or a heart attack. The blockage can be sudden […]

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In heart failure, the release of hormones causes the blood vessels to constrict or tighten. The heart must work hard to pump blood through the constricted vessels. It is important to keep your blood pressure controlled so that your heart can pump more effectively without extra stress. Check for changes in your fluid status by […]

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