Angina Pectoris Causes
Angina is classified as one of the bearing in mind two types:
Stable angina
Unstable angina
Stable Angina
Stable angina is the most common angina, and the type most people purpose when than they deliver to angina.
People following stable angina usually have angina symptoms going in the region of for a regular basis. The episodes occur in a pattern and are predictable.
For most people, angina symptoms occur after quick bursts of exertion.
Stable angina symptoms usually last less than five minutes.
They are usually relieved by rest or medication, such as nitroglycerin knocked out the tongue.
Unstable Angina
Unstable angina is less common. Angina symptoms are unpredictable and often occur at flaming.
This may indicate a worsening of stable angina, but sometimes the first era a person has angina it is already unstable.
The symptoms are worse in unstable angina - the pains are more frequent, more terse, last longer, occur at on fire, and are not relieved by nitroglycerin knocked out the tongue.
Unstable angina is not the linked as a heart violence, but it warrants an unexpected visit to the healthcare provider or a hospital emergency department. The enjoyable to lead may compulsion to be hospitalized to prevent a heart injury.
If the helpful has stable angina, any of the taking into consideration may indicate worsening of the condition:
An angina episode that is alternating from the regular pattern
Being awakened at night by angina symptoms
More immediate symptoms than come clean
Having angina symptoms more often than satisfying
Angina symptoms lasting longer than taking place to customary
Coronary Heart Disease
The most common cause for the heart not getting sufficient blood is coronary heart illness, assumed reveal coronary artery disease.
In this illness, the coronary arteries become blocked, narrowed, or on the other hand damaged.
They can no longer supply the heart past all of the blood it needs.
Most cases of coronary heart sickness are caused by atherosclerosis (hardening of the arteries).
Atherosclerosis is a condition in which a fatty substance/cholesterol builds occurring inside the blood vessels.
These buildups are called plaques, and they can block blood flow through the vessels partially or intensely. Multiple risk factors, particularly:
diabetes,
high blood pressure,
smoking,
high cholesterol, and
genetic predisposition may accelerate this construct occurring.
Coronary Artery Spasm
Another cause of unstable angina is coronary artery spasm.
Spasm of the muscles surrounding the coronary arteries causes them to narrow or stuffy off temporarily. This blocks the flow of blood to the heart muscle for a brief period, causing angina symptoms.
This is called variant angina or Prinzmetal angina.
This is not the same as atherosclerosis, although some people have both conditions.
The symptoms often come approximately at burning (or during nap) and without apparent cause.
Cocaine use/abuse can cause significant spasm of the coronary arteries and gain to a heart infuriate.
Other Causes
Other causes of angina symptoms add together the behind:
Blockage of a coronary artery by a blood clot or by compression from something external the artery
Inflammation or infection of the coronary arteries
Injury to one or more coronary arteries
Poor full of zip of the tiny blood vessels of the heart (microvascular angina)
When a person has underlying atherosclerosis, spasm, or discontinuous to the coronary arteries, angina symptoms usually are set off by one of the once triggers:
Physical exertion or exercise
Emotional highlight
Exposure to chilly
Decreased oxygen content in the way of swine you breathe (for example flying in an airplane or at high altitudes)
Using a stimulant such as caffeine or smoking cigarettes (which lowers the amount of oxygen in the blood)
Risk Factors for Atherosclerosis and Angina
Risk factors for atherosclerosis and angina add together the following. Some of these are reversible.
High blood pressure (hypertension)
High levels of cholesterol and calculation fats in the blood
Diabetes
Smoking
Male gender
Inactive (sedentary) lifestyle
Family archives of coronary heart sickness
Aging
Regular use of stimulants, especially nicotine, cocaine, or amphetamines: Other stimulants put in theophyllines, inhaled beta-agonists, caffeine, diet pills, and decongestants.
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