What diseases are characterized by tachycardia?

Written by Li Hai Wen
Cardiology
Updated on September 06, 2024
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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 Li Hai Wen
Cardiology
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How many beats per minute is considered tachycardia?

Tachycardia refers to the phenomenon where the heartbeat exceeds 100 beats per minute. From a medical perspective, this can be classified into various types of tachycardia including sinus tachycardia, paroxysmal supraventricular tachycardia, ventricular tachycardia, among others. If one experiences such symptoms, it is crucial to visit a hospital for proper checks. An electrocardiogram (ECG) should be done to determine the specific type of tachycardia. Additionally, a complete blood count should be performed to check for anemia that might be causing tachycardia. Thyroid function tests including TSH, T3, and T4 should be conducted to rule out hyperthyroidism as a possible cause. Also, an echocardiogram should be done to check for any structural heart diseases that might lead to tachycardia.

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Written by Di Zhi Yong
Cardiology
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Why does tachycardia always cause hiccups?

If the patient experiences tachycardia accompanied by hiccuping, it may indicate an early-stage digestive system disorder. It is recommended for the patient to consume a light diet, eat smaller, more frequent meals, especially avoiding spicy and irritating foods, and to regularly undergo gastroscopy. Care should be taken with consuming spicy and irritating foods, and it is also advisable to regularly undergo electrocardiogram (ECG) check-ups at the hospital. Sometimes, the ECG may show signs of angina or myocardial ischemia, which can lead to excessive secretion of stomach acid and subsequently cause hiccuping. Additionally, a gastroscopy should be done to further clarify the diagnosis.

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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 Di Zhi Yong
Cardiology
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Is it serious if young people have tachycardia?

Because patients often experience this kind of tachycardia and do not need special treatment, if the patient experiences palpitations and chest tightness, sometimes active treatment is still necessary. It is recommended that patients go to the hospital for an electrocardiogram. Early coronary heart disease or myocardial ischemia can also cause tachycardia, but for asymptomatic tachycardia, it is only necessary to observe regularly. In terms of diet, it is still necessary to have a low-salt, low-fat diet, and regularly monitor changes in the patient's heart rate, blood pressure, and pulse. If the patient's blood pressure rises, sometimes it is necessary to actively manage it by using some antihypertensive drugs.

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Written by Li Hai Wen
Cardiology
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Is tachycardia related to being overweight?

Tachycardia generally has no relation to obesity. Clinically, tachycardia can be categorized into sinus tachycardia, paroxysmal supraventricular tachycardia, ventricular tachycardia, and other types, none of which have a definitive relation to obesity. There are many causes of tachycardia, such as fever, hyperthyroidism, and anemia. Additionally, certain structural heart diseases and pulmonary diseases can also lead to tachycardia. While obesity itself introduces a range of issues like hyperlipidemia, diabetes, and other metabolic abnormalities, which might affect the heart rate, this impact is usually not severe.