What are the symptoms of a heart rate less than 60 beats per minute, which is considered bradycardia?

Written by Zhang Yue Mei

Cardiology

Updated on September 16, 2024

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A heart rate below 60 beats per minute is clinically diagnosed as bradycardia. Bradycardia can occur in normal, healthy individuals as well as in patients with organic heart disease.

In young adults, heavy laborers, and athletes who often exercise, the heart rate is generally below 60 beats per minute without any clinical symptoms, and it does not pose a risk to the body. This slower heart rate serves as a protection for the heart.

In patients with organic heart disease, a significant decrease in heart rate can lead to clinical symptoms such as palpitations, shortness of breath, and feeling of apprehension, necessitating the adjustment of heart rate under the guidance of a doctor using effective medications.

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Written by Chen Tian Hua

Cardiology

57sec

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Causes and Hazards of Bradycardia

The main causes of bradycardia include the following: 1. Physiological bradycardia, which occurs in normal individuals such as athletes and some elderly people, mainly due to increased vagal tone; 2. Cardiac diseases, such as sick sinus syndrome, severe atrioventricular block, myocarditis, and acute inferior myocardial infarction; 3. Other diseases, such as hypothyroidism and hyperkalemia. Physiological bradycardia generally poses no harm and does not require intervention. Pathological bradycardia, when the heart rate significantly slows down, can lead to a decrease in cardiac output, causing insufficient blood supply to the brain, resulting in symptoms such as dizziness, visual obscurity, and fainting. It can also cause coronary artery supply insufficiency leading to angina, as well as symptoms of fatigue and reduced exercise tolerance, requiring timely treatment.

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Written by Zhou Yan

Geriatrics

42sec

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What is bradycardia?

Bradycardia generally refers to a heart rate of less than 60 beats per minute, often seen in healthy young people, athletes, and during sleep. Other possible causes include hypothyroidism, obstructive jaundice, as well as severe hypoxia and hypothermia. If the patient's bradycardia does not cause other pathological conditions, such as dizziness or fainting, it generally does not require treatment. If severe dizziness and fainting occur, indicating insufficient cardiac output, medications that increase the heart rate, such as atropine or aminophylline, can be used. (These medications should be taken under the guidance of a doctor.)

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Written by Chen Tian Hua

Cardiology

50sec

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How to treat bradycardia

People with bradycardia should maintain good habits in daily life, eat a light diet, exercise reasonably, avoid overwork and staying up late, refrain from smoking and drinking, and keep a relaxed mood. Medications such as Xinbao Pills can be taken to increase the heart rate. Additionally, consuming traditional Chinese medicines like ginseng can also help in increasing the heart rate. For severe bradycardia that causes repeated symptoms like dizziness, visual obscurity, or fainting, and even episodes of Adams-Stokes syndrome, such as sick sinus syndrome or third-degree atrioventricular block, it is crucial to promptly visit a hospital. Active pacing treatment should be administered to increase the patient's heart rate, in order to prevent sudden cardiac arrest and avoid sudden cardiac death.

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Written by Tang Li

Cardiology

51sec

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What are the symptoms of bradycardia?

The normal heart rate for an adult is between 60-140 beats per minute. If it falls below 60 beats per minute, it is generally referred to as bradycardia. Most patients with bradycardia may not have symptoms, but those who do should be closely monitored. The symptoms of bradycardia mainly arise from a reduced cardiac output, leading to insufficient blood supply to the heart and brain, thereby causing symptoms. Patients may experience dizziness, fatigue, poor mental performance, and other symptoms. Some patients may experience dizziness, transient blackouts before the eyes, fatigue, palpitations, chest tightness, and shortness of breath. In severe cases, patients may also experience fainting.

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Written by Zhang Yue Mei

Cardiology

49sec

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What are the symptoms of a heart rate less than 60 beats per minute, which is considered bradycardia?

A heart rate below 60 beats per minute is clinically diagnosed as bradycardia. Bradycardia can occur in normal, healthy individuals as well as in patients with organic heart disease. In young adults, heavy laborers, and athletes who often exercise, the heart rate is generally below 60 beats per minute without any clinical symptoms, and it does not pose a risk to the body. This slower heart rate serves as a protection for the heart. In patients with organic heart disease, a significant decrease in heart rate can lead to clinical symptoms such as palpitations, shortness of breath, and feeling of apprehension, necessitating the adjustment of heart rate under the guidance of a doctor using effective medications.