Which department should I go to for arrhythmia?

Written by Zhang Yue Mei
Cardiology
Updated on June 30, 2025
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Arrhythmia is a common and frequently occurring disease in clinical settings. It can be caused by organic heart disease as well as functional issues. Patients need to visit the department of cardiology, where they undergo an electrocardiogram (ECG) under the guidance of a cardiologist. The treatment involves a comprehensive analysis of the patient's history that led to the arrhythmia, followed by appropriate medication management. Patients with arrhythmias must avoid indiscriminate use of anti-arrhythmic drugs, as improper use of these drugs can cause significant harm to the body. It is crucial to select the correct medication for treatment under the guidance of a cardiologist.

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Written by Chen Ya
Geriatrics
1min 25sec home-news-image

Does arrhythmia premature beat have danger?

Premature beats, also known as premature contractions, abbreviated as premature beats, are a type of early ectopic heartbeats. They can be classified according to their origin into sinus, atrial, junctional, and ventricular, with ventricular being the most common. Premature beats are a common type of ectopic rhythm that can occur on the basis of sinus or ectopic rhythms, such as atrial fibrillation. They can occur occasionally or frequently and may irregularly or regularly follow each or several normal beats, forming a bigeminy or trigeminy pattern of premature beats. Generally, sinus, atrial, and junctional premature beats do not involve rapid ventricular rates and are usually not life-threatening. Although most premature beats are functional and do not cause damage to the heart, some pathological premature beats occurring on the basis of structural heart disease may further induce arrhythmias. In particular, ventricular premature beats may provoke ventricular tachycardia or ventricular fibrillation and in severe cases, may lead to sudden cardiac death. Additionally, multifocal atrioventricular premature beats are often a precursor to atrial fibrillation.

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Written by Zhang Yue Mei
Cardiology
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Is sinus arrhythmia serious?

Sinus arrhythmia is a relatively common type of arrhythmia in clinical practice. It is typically identified through electrocardiogram testing. If no other specific symptoms are present other than sinus arrhythmia, sinus bradycardia, or sinus tachycardia, and if there is no structural heart disease, generally, there are no serious concerns. Often, these kinds of arrhythmias are caused by autonomic nervous system dysfunction, leading to an imbalance between the sympathetic and parasympathetic nerves. To address this irregular heartbeat, it is advisable to rest adequately in daily life and to include some aerobic exercise. Exercise can enhance cardiac contractility and strengthen regular heart function, which can help correct the arrhythmia.

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Written by Wei Shi Liang
Intensive Care Unit
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Can arrhythmia be cured?

Arrhythmias come in many types, most of which are curable. Once arrhythmia occurs clinically, an electrocardiogram should be performed as soon as possible to determine the type of arrhythmia. Common arrhythmias can be classified into tachyarrhythmias and bradyarrhythmias, and based on the location of occurrence, into supraventricular arrhythmias and ventricular arrhythmias. Clinically common are supraventricular arrhythmias, such as sinus tachycardia, junctional tachycardia, along with atrial tachycardia, atrial fibrillation, and atrial flutter. These generally do not affect the stability of hemodynamics and are relatively easy to treat. On the other hand, ventricular arrhythmias such as ventricular fibrillation, ventricular tachycardia, and sinus arrest are clinically challenging to cure and require aggressive resuscitation.

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Written by Zhou Yan
Geriatrics
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What medicine to buy for arrhythmia?

Arrhythmia encompasses a large category of diseases, including sinus tachycardia, bradycardia, sick sinus syndrome, as well as atrial fibrillation, flutter, premature atrial contractions, supraventricular tachycardia, premature ventricular contractions, and atrioventricular block, among others. Due to the various types of arrhythmias, the medications used also differ. It is necessary to go to a hospital for a clear diagnosis to determine the specific type of arrhythmia before using appropriate anti-arrhythmic drugs. Some arrhythmias cannot be resolved just by medication; for instance, in cases like pacemaker syndrome, a pacemaker needs to be installed. Additionally, patients with atrial fibrillation who have tachy-brady syndrome also require a pacemaker. Therefore, the decision on what medication to purchase for arrhythmia should be made by a doctor.

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Written by Chen Ya
Geriatrics
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Can arrhythmia cause sudden death?

The clinical manifestations of hemodynamic changes caused by arrhythmias mainly depend on the nature, type, cardiac function, and the extent of impact on hemodynamics. Mild conditions such as slight sinus bradycardia, sinus arrhythmia, occasional atrial premature contractions, and first-degree atrioventricular block have minimal impact on hemodynamics and therefore do not exhibit significant clinical manifestations, and sudden death is generally not expected. However, more severe arrhythmias, such as sick sinus syndrome, rapid atrial fibrillation, paroxysmal supraventricular tachycardia, and sustained ventricular tachycardia, can lead to palpitations, chest tightness, dizziness, hypotension, and sweating. In severe cases, syncope, Adams-Stokes syndrome, or even sudden death may occur.