Cardiovascular System

Cardiovascular System

The cardiovascular system's basic function is to pump blood around the body; a pause of more than a few seconds in this life-supporting circulation results in loss of consciousness. The system takes oxygenated blood to all body organs and tissues and can adapt swiftly to changes in demand. Blood circulation also removes waste products from the body.

Disorders of the heart and circulatory system are among the leading causes of ill-health in the developed world. Common heart diseases include structural defects; damage due to restricted blood supply caused by narrowed arteries; disorders of the heart muscle; and viral infections. Blood circulation may be hindered by obstructions such as blood clots or fatty deposits, or by weakened arteries or malfunctioning valves.

Listed below is a brief description for each of the conditions in the Cardiovascular System category. To get mored detailed information including symptoms, causes and treatments, click on the condition's name.

Alternatively, our Conditions Listed Alphabetically page has all conditions listed in alphabetical order.

Angina Pectoris

Angina Pectoris

Chest pain that comes on with exertion, called angina, is a sign that the heart muscle is not receiving sufficient oxygenated blood. Narrowing of the coronary arteries due to atherosclerosis is the most common cause. The typically constrictive or cramping pain, which is caused by the build-up of toxic wastes in the heart, begins behind the breast one and may radiate into the neck, jaw and arms. More details ...

Atherosclerosis

Atherosclerosis

In this disorder, the arteries become narrowed because of a build-up of fatty deposits. Atherosclerosis occurring in the arteries supplying blood to the heart is a major cause of heart damage. The disorder begins with the accumulation of excess fats and cholesterol in the blood. These substances infiltrate the ling of arteries, gradually forming deposits called artheroma, or plaques. Over time, plaques can build up to form masses that impede blood flow. More details ...

Bed Sores

A bed sore is a skin ulcer occurring in bedridden patients due to the effect of pressure at the point where the body is supported. Bed sores may can be prevented by frequent changes of posture. More details ...

Bruising

More details ...

Cardio-vascular Health

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Chilblain

Chilblain is pain and swelling of the superficial tissues due to excessive exposure to cold. More details ...

Cholesterol (high)

More details ...

Deep Vein Thrombosis

Deep Vein Thrombosis

A blood clot (thrombus) can form within a vein or artery, impeding normal circulation of blood. This condition, known as thrombosis, is especially likely to occur if an artery contains fatty deposits (plaques). If a thrombus blocks one of the arteris supply the heart, it can be life-threatening. Thrombi in the arteries supplying the brain are a major cause of stroke. More details ...

Epistaxis

More details ...

Hypertension

Hypertension is persistent, abnormally elevated blood pressure. although this may cause no symptoms, it increases the risk of stroke, heart attack, and other circulatory diseases. Blood pressure is recorded in millimetres of mercury (mmHg). Normal blood pressure in young adults is about 110/75mmHg. The first number is the systolic pressure, taken just after the ventricles contract; the second is the diastolic pressure, taken when the ventricles relax. More details ...

Hypotension

More details ...

Impotence

Impotence in males, also known as Erectile dysfunction (ED), is a sexual dysfunction characterized by the inability to develop or maintain an erection of the penis sufficient for satisfactory sexual performance. This may be due to a neurosis, but it also occurs in certain diseases, and is also a side-effect of some drugs. More details ...

Obesity

More details ...

Peripheral Circulation

More details ...

Restless Legs

More details ...

Thrombosis (Other)

More details ...

Varicose Veins

Veins, usually of the leg, in which the valves have become incompetent. The veins become distended and the blood-flow stagnant. These veins may be painful, and are particularly liable to phlebitis or inflammation of the veins. More details ...

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This page was last modified Wed, 11 Aug 2010 07:26:09 GMT