Categories Heart and arteries

ECG

ECG

ECG

The heart produces small electrical impulses transmitted through the heart muscle to contractions. These contractions are examined by electrocardiogram, also known as electrocardiogram (ECG), a way in which the electrical wave that regulates the action of the heart muscle is recognized. This electrical wave is created in the natural pacemaker, which passes through the atria and leads to constriction, thus the flow of blood from the atria to the ventricles. This wave then passes through the connective fibers of the heart chambers causing constriction and increased blood flow from the left ventricle to the body tissues through the penis. Yan dissection, and the flow of blood from the right ventricle to the lungs.

Causes of ECG

  • Determine the cause of a feeling of heart palpitations or chest pains.
  • Explanation of cause of shortness of breath.
  • Feeling tired and tired.
  • Change in heartbeat.
  • Conduct a routine before performing surgery.

Problems appear in ECG

The ECG test helps to detect problems or disturbances in the production and delivery of the electric wave, which are the result of many reasons, including:

  • The presence of myocardial infarction.
  • Increase the size of the ventricles or atria.
  • Inflammation of pericarditis (pericarditis) .
  • The presence of disorders caused by a defect in the level of salts in the body.

How ECG works

The ECG is performed on the back of a comfortable table and in a relaxed state. Electrodes are placed on different parts of the body. The result of the layout is shown on a striped paper to reflect the electrical pulses coming from different directions in the heart and its sections.

ECG types

  • Heart-shaped Mobile Holter: Is a portable device with a small screen, which is suspended on the body for twenty-four hours to check the heartbeat, and record the activity of electricity the heart during the day.
  • Echocardiography: ECG works during an effort, such as riding a bicycle or walking on an electric sports mechanism to determine the activity of the heart muscle during physical exertion.

Warnings when ECG

  • People with electrocardiogram (ECG) and heart attack patients should have their tests checked to compare with new tests and to determine the presence and severity of changes.
  • Examination procedure during pregnancy can affect planning results.
  • Planning for children and infants is different from adult planning because of faster heart rate than adults, but this is not an indication of a satisfactory problem.
  • Taking drugs to treat heart function disorders can affect electrical planning results.
  • Despite the accuracy of the chart, he can not identify and predict angina.