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If you have bradycardia, your heart beats fewer than 60 times a minute. Bradycardia can be a serious problem if the heart rate is very slow and the heart can't pump enough oxygen-rich blood to the body. If this happens, you may feel dizzy, very tired or weak, and short of breath. Sometimes bradycardia doesn't cause symptoms or complications.
For bradycardia, basic questions to ask your health care provider include: What is likely causing my slow heart rate? What tests do I need? What's the most appropriate treatment? What are the possible complications? How will my heart be monitored? How often will I need follow-up appointments?
If you have a slow heart rate and your heart isn't pumping enough blood, you may have a type of bradycardia. Types of bradycardias include: Sick sinus syndrome. The sinus node sets the pace of the heart. If the node doesn't work properly, the heart rate may switch between too slow and too fast.
When to see a doctor. If you feel fluttering, pounding or a sensation of skipped heartbeats in your chest, talk to your health care provider. A health care provider can determine if the sensations are due to a heart condition or other health concern.
Tachycardia may not cause any symptoms or complications. But sometimes it's a warning of a medical condition that needs attention. Some forms of tachycardia can lead to serious health problems if left untreated. Such problems may include heart failure, stroke or sudden cardiac death.
An innocent heart murmur is not a sign of heart disease and doesn't need treatment. Other heart murmurs may be a sign of a serious heart condition. Tests are needed to check the heart and heart valves. Heart murmur treatment depends on the cause.
Each year, Mayo Clinic health care providers evaluate and treat more than 10,000 people with bradycardia. Each Mayo Clinic location offers treatment for adults with bradycardia. A major focus of the Heart Rhythm Disease Program is the use of pacemakers to treat bradycardia.
Occasionally heart palpitations can be a sign of a serious problem, such as an irregular heart rhythm (arrhythmia). Arrhythmias might cause a very fast heartbeat (tachycardia), an unusually slow heartbeat (bradycardia), a heartbeat that varies from a typical heart rhythm or a combination of the three.
A heart attack, heart failure, heart valve disease and a slow heart rate called bradycardia can cause low blood pressure. Hormone-related diseases, also called endocrine conditions. Conditions such as Addison's disease that affect certain glands that make key hormones may cause blood pressure to drop.
The following self-care strategies can help control premature ventricular contractions (PVCs) and improve heart health: Track your triggers. If you have frequent PVCs, keeping a diary of the day and timing of symptoms may be helpful.