Tachycardia means that your heart is beating too fast. For example, a normal heart beats 60 to times per minute in adults. Tachycardia is any resting heart rate over beats per minute BPM. This disorganized heart rhythm occurs in the upper chambers of the heart. Atrial fibrillation , or AFib, occurs when many unstable electrical impulses misfire and may result in the atria quivering out of control. AFib causes the heart rate to increase and become erratic.
An atrial flutter AFL typically occurs in the right atrium, which is one of the two upper chambers of the heart. However, it may occur in the left atrium as well. The condition is caused by a single electrical impulse that travels rapidly in the affected atrium. Bradycardia generally occurs when the electrical signals traveling from the atria to the ventricles become disrupted.
Ventricular fibrillation VF can stop the heart from beating and cause cardiac arrest. It occurs in the ventricles, which are unable to pump blood out of your heart to the body and brain due to the irregular heartbeat. With most premature contractions, the heart appears to skip a beat when the pulse is taken in the wrist or chest.
Other types of premature contractions include extra beats and early beats. All three types may occur in the upper or lower heart chambers. A number of things may cause an abnormal heartbeat, including high blood pressure.
Other common causes are:. This serious heart problem occurs when cholesterol and other deposits block the coronary arteries. Your doctor will perform a physical examination, which will include using a stethoscope to listen to your heart. This will help them determine whether your heart rhythm is abnormal and identify the cause.
The Healthline FindCare tool can provide options in your area if you need help finding a cardiologist. Diagnosis of cardiac arrhythmias. Cronin EM, et al. European Society of Cardiology. Ferri FF. Atrial fibrillation. In: Ferri's Clinical Advisor Arrhythmia management for the primary care clinician. Long B, et al. American Journal of Emergency Medicine ; doi Braswell-Pickering EA.
Allscripts EPSi. Mayo Clinic. June 29, Asirvatham SJ expert opinion. Mayo Clinic, Rochester, Minn. July 27, Long QT syndrome. Lee R. Surgical ablation to prevent recurrent atrial fibrillation. Bashir MU, et al. Modulation of the autonomic nervous system through mind and body practices as a treatment for atrial fibrillation.
Reviews in Cardiovascular Medicine. Noseworthy PA expert opinion. Mayo Clinic; Sept. Some abnormal heart rhythms also called arrhythmias are fast, others are slow and some are irregular. How an arrhythmia is treated depends on the kind of abnormal beat.
Fast Heart Rhythms Tachycardia Supraventricular Tachycardia SVT In the abnormal heart rhythm called supraventricular tachycardia SVT , the electrical impulse stimulating the heart does not come from the sinus node as it should. Instead, it comes from a collection of tissue involving the atrioventricular AV node, and the electrical impulses are generated at a rapid rate, which may result in heart beats per minute.
Treatment is possible with the Valsalva Maneuver , in which the patient is asked to strain bear down in order to slow the heart rate. If this is not effective, medications can be used to slow the heart rate. For those with severe SVT, cardioversion may be recommended. In cardioversion, an electrical shock is delivered to the heart to change an abnormal heart rhythm back to a normal rhythm.
Atrial Flutter Atrial flutter occurs when rapidly fired signals cause the muscles in the upper chambers of the heart the atria to contract quickly, leading to a very fast and steady heartbeat. Treatment with medications is possible.
Those with severe atrial flutter may be treated with cardioversion , an electrical shock delivered to a rapidly beating heart to return it to a normal rhythm. Ventricular Tachycardia Ventricular tachycardia is a dangerous type of rapid heart rhythm usually associated with too little blood being ejected from the heart poor cardiac output.
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Learn more about our support services ». You can call Cardiac Arrhythmia Service directly to schedule an appointment with one of our doctors. Call to make an appointment. Yes, Stanford Health Care offers financial assistance for patients who are uninsured or underinsured. Meet with one of our financial counselors to find the best approach to paying for your health care. Financial counselors are available Monday through Friday from a.
Learn more about financial assistance services ». Managing treatment for arrhythmia is a highly personalized process. Our clinic receptionists will confirm the information you should bring with you prior to your first appointment. For your first appointment, please bring the following test results and information:. The Cardiac Arrhythmia Service is located at the following address. Valet and self-parking options are available for a fee. Please plan to arrive minutes prior to your appointment time due to construction near the main hospital campus.
This will allow you plenty of time to park, locate your clinic and complete any additional paperwork. Please print, fill out, and return the Medical Record Release Form to your new patient coordinator. The medical release form is an authorization form for external facilities to release medical records to Stanford Health Care. Always feel free to bring someone with you to your appointments. A family member or friend can help ask questions, remember the information your care team gives you, and provide support.
Write down your questions before your appointment and rank them in order of importance, beginning with the most important ones. Current patients may reach one of our outstanding arrhythmia nurse specialists during clinic hours at For after-hours, reach the on-call arrhythmia doctor at Forgot Username?
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Please call our clinic receptionists at They are available Monday through Friday, a. To determine if a clinical trial is right for you, talk to your doctor. He or she can refer you to a research coordinator for more information on studies that may be right for your specific condition. You can also find the guidelines for who can participate in a particular clinical trial online. However, it is best to work with your doctor to decide the right care approach for your needs.
View list of open, arrhythmia clinical trials at Stanford ». Our International Medicine Services team can help you find the right doctor, estimate medical costs, book travel, and get you information about Stanford programs and services.
Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials. Open trials refer to studies currently recruiting participants or that may recruit participants in the near future.
Closed trials are not currently enrolling, but similar studies may open in the future. To learn more about the clinical trials we offer, contact Gerri O'Riordan at There are five main types of arrhythmias, described by the speed of heart rate they cause and where they begin in the heart. For adults, a normal resting heart rate ranges from 60 to beats per minute.
Highly trained athletes may have resting heart rates lower than
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