heart attack causes, sign, symptoms & treatment

Heart attack is a very serious emergency in which the blood supplies to the heart block suddenly, due to by blood clot. Deficiency of blood into the heart can dangerously damage the heart muscle. It is also called myocardial infarction.

What is heart attack?

Heart attack occurs when oxygen rich blood flow to a section of heart muscle become suddenly block and the heart cannot get enough oxygen. The heart muscle become dies if blood flow does not restored rapidly. In united state heart attack is a leading killer of both men and women. But good news is that excellent treatment for heart disease is available now. These treatment are life saving and prevent heart attack.

Causes of heart attack

Causes of heart attack are given below:


Age is one of the largest risk factor of heart attack. Men who have over 45 year old and woman is over 55 years of age, their heart attack risk become rise significantly.


Angina is one kinds of illness where enough oxygen does not reach into patient heart. This illness is rises the risk of heart attack. The major difference between angina and heart attack is that the angina patient will feel better about fifteen to thirty minutes after taking medication, but heart attack patient does not feel it.

Blood cholesterol level

It is one of the major causes of heart attack. Person who have high blood cholesterol level, he or she runs a higher risk of developing blood clot into the arteries. These blood clots are responsible for block blood supply into the heart muscle and it causes heart attack.


People who have diabetes have a great risk of developing various diseases, and many of them contribute to a higher risk for heart attack.


People who consume excess quantities of animal fat or saturated fats; they will eventually have a great chance of having a heart attack.


You can inherent a great risk of heart attack from your parents or their parents. If your sibling becomes died due to heart attack then you have also a chance for heart attack.

Heart surgery

It is another major risk factor for heart attack. Patient who had heart surgery before, have a great chance of heart attack.

High blood pressure

It is another major cause for heart attack. This condition can be occurring due to obesity, overweight, diabetes or lack of physical activity and some other factors.

Physical inactivity

A person who does not exercise regularly has a great chance of having a heart attack.

Previous heart attack

People who have previous heart attack history compatibly have a great chance for heart attack then other people.


People who smoke regularly run a much more risk of heart attack, compared people who never smoke. So it another risk factor of heart attacks.

Diagnosis of heart attack

Blood test

Heart muscle damage can be test by the by measure the cardiac enzyme level. Normally these cardiac enzymes are found inside the cell and do their function. But when heart muscle becomes damage, this cardiac enzyme is release into the blood stream. By the measurement of the level of this enzyme, doctor can determine the size of heart attack and when it was occurred.

Chest X-ray

Chest X-ray can be useful method is it diagnosis of heart attack is uncertain, or if there have another causes. Chest X-ray is very much useful to detect the heart attack area.


Echocardiogram is one kinds of ultrasound, there uses sound wave to make a picture of the inside of heart. It is very useful method for identify exact location which area of the heart have been damage.


Chest pain is major symptoms of heart attack. You may feel this pain only one part of your body or the pain may move from chest to arm, jaw, belly, shoulder, neck or back.

The pain may be mild or severe. Pin feel like:

  1. Bad indigestion.
  2. Tight band around the chest.
  3. Squeezing or heavy pressure.
  4. Sometime heavy sitting on your chest.

The pain normally lasts longer than twenty minutes. Rest and medicine may not relieve completely this pain.

Other symptoms of heart attack:

  1. Anxiety.
  2. Cough.
  3. Vomiting.
  4. Shortness of breath.
  5. Sweating, which may6 be very heavy.
  6. Dizziness.

Medication of heart attack

With each minute passing after a heart attack, more heart tissue become loses oxygen and deteriorates or dies. The major way to prevent heart damage is to return blood flow quickly.

Some medication given below for treat heart attack:


You may give aspirin after emergency medical person arrive. It reduce blood cloth and thus help maintain of blood flow through a narrow artery.


These drugs also help to dissolve a blood clot that’s block the blood flow on your heart. Earlier you receive Thrombolytic, you have greater chance to survive and lessen the damage of your heart.

Pain relievers

If you have great chest pain or associate other pain, then you may receive a pain reliever such as morphine for reduce your pain.

All Comments

  • Very detailed post with exact diagram. Helpful for medical student and biochemist.

    Nick Allen January 3, 2017 3:38 pm Reply

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