Is tachycardia dangerous?

Written by Di Zhi Yong
Cardiology
Updated on September 24, 2024
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If the patient frequently experiences this type of tachycardia with a heart rate exceeding one hundred beats per minute, it is recommended that the patient visit a hospital to undergo an electrocardiogram examination. If tachycardia is confirmed, it is advised to identify the underlying cause. For tachycardia occurring under conditions of anxiety or stress, it is advised that the patient actively manage and control their heart rate to alleviate symptoms such as palpitations and chest tightness.

If the patient presents with other complications, especially conditions like coronary heart disease or diabetes with hypertension, it is crucial to actively manage the tachycardia. Sometimes, medication may be necessary to treat this condition.

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Written by Liu Ying
Cardiology
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"Tachycardia" means heart beats too fast.

We define a heart rate over 100 beats per minute as tachycardia, which can be sinus tachycardia, atrial tachycardia, junctional tachycardia, among others. Moreover, tachycardia can be physiological or pathological. For instance, a person experiencing tachycardia during intense physical activity or emotional excitement without any organic disease, and if this tachycardia is sinus tachycardia, then it is considered related to the intense activity or emotional state. On the other hand, conditions like anemia, hyperthyroidism, or heart failure can also lead to tachycardia. Whether tachycardia is physiological or pathological, and whether it is sinus or caused by other pacemakers in the heart, should be determined by a specialist.

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Written by Liu Ying
Cardiology
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What foods are good for tachycardia?

When experiencing tachycardia, it is first important to determine the cause. If the tachycardia is due to emotional excitement or excessive exercise, one should maintain stable emotions and rest adequately. If tachycardia is caused by other reasons such as atrial fibrillation with rapid ventricular rate, or paroxysmal supraventricular tachycardia, treatment should target the atrial fibrillation or the paroxysmal supraventricular tachycardia. Tachycardia caused by conditions like hyperthyroidism, fever, or anemia should be managed by treating the hyperthyroidism, anemia, fever, and lowering the body temperature, etc. During tachycardia, it is advised to avoid spicy foods, strong tea and coffee, alcohol, etc. The specific cause of tachycardia should be determined by a specialist who can then provide an appropriate treatment plan.

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Written by Liu Yong
Cardiology
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Palpitations means tachycardia.

Tachycardia, as the name suggests, means that the heart beats fast. How many beats per minute constitute a fast heartbeat or tachycardia? Clinically, it is generally considered that a heartbeat exceeding 100 beats/min can be termed as tachycardia. There are various types of tachycardia, such as sinus tachycardia, supraventricular tachycardia, or ventricular tachycardia. There are also atrial tachycardia and junctional tachycardia. The origin of tachycardia varies, and its clinical significance is completely different. Therefore, it is essential to identify the nature of the tachycardia in order to treat it effectively. How to confirm the diagnosis? In this case, it is best to obtain an electrocardiogram during an episode. If the electrocardiogram at the moment of occurrence is not available, it is recommended to wear a 24-hour Holter monitor to determine the cause further. Only after identifying the cause can targeted treatment be administered.

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Written by Li Hai Wen
Cardiology
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What diseases are characterized by tachycardia?

Tachycardia refers to a phenomenon where the heart rate exceeds 100 beats per minute. There are many diseases that can cause tachycardia, with the most common ones including: First, heart diseases such as congenital heart disease, cardiomyopathy, and coronary artery disease can lead to heart failure, often resulting in tachycardia; Second, respiratory diseases, such as chronic obstructive pulmonary disease (COPD) or cor pulmonale, can also lead to tachycardia due to long-term oxygen deficiency; Third, endocrine disorders, such as hyperthyroidism, often cause tachycardia; Fourth, hematological disorders, such as severe anemia, often lead to tachycardia as well; Additionally, fever can also cause tachycardia.

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Written by Zhang Yue Mei
Cardiology
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Does tachycardia cause fever?

Tachycardia does not cause fever, but fever can cause tachycardia. During a fever, the body's metabolism increases and the heart rate speeds up, a phenomenon commonly seen in colds, viral infections, and bacterial infections. After a clear diagnosis through blood tests, effective medication treatment should be administered. Once the body temperature normalizes, the tachycardia will be relieved. If the tachycardia is not caused by fever, an electrocardiogram should be conducted to determine the cause of the tachycardia, and effective medication should be used under the guidance of a doctor to adjust it.