Heat Disease

Cardiovascular disease

Introduction

Cardiovascular disease (CVD) is a general term that describes a disease of the heart or blood vessels.

Blood flow to the heart, brain or body can be reduced as the result of a blood clot (thrombosis), or by a build-up of fatty deposits inside an artery that cause the artery to harden and narrow (atherosclerosis).

Types of CVD

There are four main types of CVD. They are:

  • coronary heart disease
  • stroke
  • peripheral arterial disease
  • aortic disease

Coronary heart disease

Coronary heart disease (CHD) occurs when the flow of oxygen-rich blood to your heart is blocked or reduced by a build-up of fatty material (atheroma) in the coronary arteries.

The coronary arteries are the two major blood vessels that supply your heart with blood. As they narrow because of a build-up of atheroma, the blood supply to your heart will be restricted. This can cause angina (chest pain). If a coronary artery becomes completely blocked, it can cause a heart attack.

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