What is tachycardia?

Written by Liu Yong
Cardiology
Updated on September 18, 2024
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Tachycardia can be caused by nervousness, anemia, hyperthyroidism, staying up late, cervical spondylosis, myocardial ischemia, hypoglycemia, high blood pressure, or low blood pressure, etc. Normal people may also experience faster heart rates when eating, climbing stairs, walking, exercising, feeling nervous, or when drunk. Tachycardia is just a symptom, and it is advised to visit a regular hospital for relevant examinations to obtain a clear diagnosis and appropriate treatment. It is also important to avoid being picky with food, not to consume too much junk food, and to drink teas that may improve microcirculation. Engaging in aerobic breathing exercises or beneficial health and wellness therapies can boost resistance. Additionally, one should not smoke or be around smokers, nor live in newly renovated houses to avoid potential discomfort.

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How is tachycardia and atrial fibrillation treated?

Treatment of tachycardia and atrial fibrillation mainly involves the following aspects of drug therapy. First, controlling the heart rate. When the heartbeat is too fast, under the guidance of a doctor, β-blockers such as metoprolol or drugs like digoxin can be administered regularly to control the heartbeat and improve symptoms. Second, anticoagulant therapy. Long-term episodes of atrial fibrillation can cause thrombosis in the left atrium, especially in the left atrial appendage. When the thrombus dislodges, it can cause thrombotic complications, such as a cerebral infarction. In such cases, long-term anticoagulant medication is necessary to prevent thrombosis, using drugs such as rivaroxaban or warfarin. Third, surgical treatment, such as radiofrequency ablation surgery, may potentially cure atrial fibrillation.

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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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Can atropine be used for tachycardia?

Tachycardia is a common and frequently occurring condition clinically, which can be observed in healthy populations as well as in those suffering from certain cardiac diseases causing tachycardia. The choice of medication should be made under the guidance of a doctor, and it is crucial not to misuse drugs arbitrarily. Tachycardia should not be treated with atropine, as its primary side effects can induce tachycardia. Using atropine can cause an already rapid heart rate to increase further, resulting in significant damage to the body. Tachycardia needs medications that inhibit sympathetic nerve excitement, commonly using receptor blockers, which can effectively suppress excessively rapid heart rhythms.

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Can you run with tachycardia?

If the patient experiences this type of tachycardia, it is not recommended for the patient to run, as running can exacerbate the rapid heart rate, leading to tachycardia. If this occurs, it can be actively managed to control the ventricular rate. It is best to find the cause of tachycardia, especially if it is a pathological disease, particularly supraventricular or ventricular tachycardia, which sometimes requires active management to improve myocardial oxygen consumption. In such cases, running is not advisable. Running increases cardiac output, leading to myocardial ischemia, thereby exacerbating symptoms and further bringing significant discomfort to the patient. Rest is recommended.

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Can tachycardia resolve on its own?

Tachycardia can resolve on its own, but this is typically under physiological conditions. Especially in situations of stress or emotional excitement, tachycardia can resolve on its own. However, if it is due to a pathological disease, this is not the case. Particularly, it is important to re-examine the electrocardiogram, monitor changes in heart rate, blood pressure, and pulse. If the heart rate is too fast and blood pressure is elevated, sometimes active treatment and symptom control are necessary. Additionally, if it cannot resolve on its own, it is first necessary to rule out coronary heart disease, psychological disorders, and other pathological changes that might cause this condition.