Causes of arrhythmia

Written by Zhang Yue Mei

Cardiology

Updated on September 24, 2024

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Arrhythmia is a common and frequently occurring disease in clinical practice, primarily caused by various organic heart diseases. Common heart diseases include coronary heart disease, congenital heart disease, rheumatic heart disease, pulmonary heart disease, severe myocarditis, and cardiomyopathy, all of which can lead to arrhythmias that are generally severe. Arrhythmias can also occur in some healthy individuals due to instability of the autonomic nervous system. This type of arrhythmia can be clinically cured through lifestyle adjustments, appropriate exercise, and improvements in myocardial contractility and conductivity.

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Written by Zhang Yue Mei

Cardiology

50sec

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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 Chen Ya

Geriatrics

1min 14sec

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What medicine is used for arrhythmia?

There is still no consensus on the drugs commonly used for arrhythmia. The main classes used clinically are as follows: The first class is sodium channel blockers, which include three subclasses: moderate, mild, and significant sodium channel blockers, respectively comprising quinidine, lidocaine, and propafenone. The second class mainly consists of adrenergic receptor blockers, with propranolol being a representative drug. The third class of drugs selectively prolongs the repolarization process, among which amiodarone is commonly used clinically. The fourth class is calcium channel blockers, which mainly block calcium channels and inhibit the inflow of calcium, with verapamil being the main representative drug. Long-term use of anti-arrhythmia drugs can cause varying degrees of side effects, with severe cases possibly leading to ventricular arrhythmia or fatal cardiac conduction block. Therefore, when using these drugs clinically, it is essential to strictly control the indications, monitor adverse reactions, and strictly follow the doctor's prescription for rational medication.

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Written by Chen Ya

Geriatrics

1min 49sec

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Can people with arrhythmia eat ginseng?

Arrhythmia falls under the categories of palpitations and throbbing in traditional Chinese medicine. The common differential diagnoses are as follows: For Blood Stasis Obstruction type, the treatment focuses on activating blood circulation and resolving stasis, and regulating qi to unblock the collaterals. For Blood Deficiency type, the treatment is to nourish qi and calm the spirit, and to nourish the heart and supplement blood. For Yang Deficiency type, the treatment aims to warm and supplement heart yang, and calm the spirit and stabilize the will. For Heart Deficiency and Timid Gallbladder type, the treatment is to nourish the heart and calm the spirit, and to stabilize fright and fix the will. For Yin Deficiency and Exuberant Fire type, the treatment focuses on nourishing the heart and calming the spirit, and nourishing yin to clear the fire. For Water Dampness Overwhelming the Heart type, the treatment aims to invigorate heart yang and transform qi to promote water movement. For Qi and Blood Deficiency type, the treatment is to supplement both qi and blood simultaneously. Ginseng's main therapeutic effect is to greatly supplement the primal qi, secure and stop prolapse, generate fluids, and calm the spirit. Therefore, ginseng can be used when arrhythmia differentiation indicates qi deficiency, but it is recommended to use it under the guidance of a traditional Chinese medicine practitioner.

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Written by Liu Ying

Cardiology

51sec

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Causes of arrhythmia

There are many causes of arrhythmia, which can be physiological or pathological. Pathological causes can originate from the heart itself or from other diseases. For instance, normal individuals might experience sinus arrhythmia, and circumstances such as staying up late, emotional excitement, or excessive fatigue can lead to premature beats or sinus tachycardia, among others. Other diseases, such as hyperthyroidism or fever, can cause an increased heart rate. For example, pulmonary embolism can lead to atrial fibrillation. Heart-related diseases, like heart failure, can cause ventricular premature beats, and diseases of the sinoatrial node itself can lead to sick sinus syndrome, among others.

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Written by Chen Ya

Geriatrics

1min 4sec

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Do arrhythmias need treatment?

The treatment of arrhythmias should be based on the symptoms of the patient, the type of arrhythmia, and its impact on hemodynamics to determine if treatment is necessary. For instance, mild sinus bradycardia, irregular sinus rhythm, occasional atrial premature contractions, and first-degree atrioventricular block have minimal impact on hemodynamics. Therefore, if there are no obvious clinical symptoms and no cardiac structural disease, temporary drug treatment may not be required. However, severe arrhythmias such as sick sinus syndrome, rapid atrial fibrillation, paroxysmal supraventricular tachycardia, and persistent ventricular tachycardia can cause palpitations, chest tightness, dizziness, low blood pressure, severe sweating, and in severe cases, syncope, Adams-Stokes syndrome, or even sudden death, which require immediate medical attention.