THE ANGINA

The angina is characterized by a sensation of pain, malaise, constriction or uncomfortable pressure in the center of the chest.

These symptoms last few minutes generally.
The sensation associated with the angina can also extend to the arms, back, neck, jaw or stomach.

When it happens the angina?

The angina symptoms appear when the provision of blood and oxygen to the heart is insufficient. These symptoms are temporary, and can be attributed to several factors, including: the taking of steps that they require of a physical effort, like raising stairs or running? situations of the high emotional stress. exhibition to very warm temperatures or you cold. In these situations, the cardiac frequency and arterial pressure increase, and the heart requires of a greater provision of blood and oxygen. But in that it suffers of angina, the coronary arteries cannot completely satisfy the increase in the demand on the part of the heart.

What causes the angina?

The angina symptoms are caused by the effects of the aterosclerosis, that is the accumulation of plate in the arteries that go towards the heart. A deficiency in the flow of blood by an artery is called isquemia. Less frequent causes of angina include the disease of the valves of the heart, the hipertrofica cardiomiopatía, or the not controlled arterial pressure. The angina and the attacks to the heart the symptoms of the angina are very similar to those of an attack to the heart, but there are very important distinctions between the two conditions. The symptoms of the angina appear of temporary form, and they must to a partial diminution in the blood flow to the heart. During an attack to the heart, the flow of blood to the heart stops completely, and the symptoms more intense and are prolonged.

Stable angina and Unstable Angina There are two types of angina, stable angina and unstable angina: Stable angina In the people with stable angina, the symptoms appear generally of foreseeable way, because they appear when doing physical activity or during moments of stress or anxiety. In most of the cases, the symptoms are alleviated with nitroglycerin. Unstable angina the symptoms of unstable angina appear without warning, and can even happen at moments of rest. During an episode of unstable angina, the malaise sensation can acute and be prolonged than in somebody with stable angina. The unstable angina is an acute coronary syndrome, and must be treated like an emergency.
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