Heart Disease Tachycardia

March 17, 2017 - intern
Heart Disease Tachycardia

TachycardiaTakikardia Heart disease can be a part of the body’s normal response to anxiety, fever, rapid blood loss or strenuous exercise. It can also be caused by medical problems, such as abnormally high levels of thyroid hormone, called hypothyroidism. In some people, tachycardia is the result of cardiac arrhythmia (abnormal heart resulting in heart rate or rhythm). Tachycardia can also be caused by problems with the lungs, such as pneumonia or a blood clot in one of the arteries of the lungs.

In other cases, the tachycardia may be a side effect of some food and drinks, including coffee, tea, alcohol and chocolate, tobacco; or chemical medicines.

Symptoms of Heart Disease Tachycardiatachicardia

Symptoms of tachycardia can include:

If tachycardia is caused by a medical illness, there will be additional symptoms that are specific to the disease. For example, people who have tachycardia caused by hyperthyroidism may also experience anxiety, insomnia, sweating, tremors and other symptoms associated with high levels of thyroid hormone. Tachycardia caused by heart or lung disease are often accompanied by chest pain or shortness of breath or lightheadedness.

During the physical examination, the doctor will check your heart rate and rhythm. The doctor will also check for heart enlargement, heart murmur (one sign of heart valve problems), to the sound of normal lung and physical signs of thyroid abnormalities (enlarged thyroid gland, hand tremors and abnormal protrusion of the eye).

To further evaluate tachycardia, your doctor will order an electrocardiogram (ECG). However, due to some form of tachycardia come and go, one office ECG may be normal. If this happens, you may need a test called ambulatory electrocardiography. For this test, you will wear a portable EKG machine called a Holter monitor for a period, typically for 24 hours. If symptoms are rare, you may have to wear a monitor for much longer. You will be taught to press a button to record the ECG reading when symptoms occur.


Depending on the results of a physical examination, other tests may be needed, such as a blood test to measure the amount of red blood cells and thyroid hormone levels and an echocardiogram to see if there are structural abnormalities of your heart. Sometimes, the doctor performs “electrophysiological testing,” in which they insert a special catheter into the heart to gather information about the heart’s electrical activity patterns.

Time Is Determined

How long the tachycardia takes place depends on the cause. For example, tachycardia due to the fever will disappear when returning to normal body temperature. Tachycardia due to blood loss will end when a patient is stabilized with intravenous (IV) fluids and / or blood transfusions. Tachycardia due to hyperthyroidism or adrenal gland tumor will go away when the disorder is treated. Tachycardia caused by drugs or diet will go quickly, usually within a matter of hours, when the chemical that causes the problem used by the body or excreted in the urine.


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