VT can also occur without any symptoms. Although VT can occur without heart disease, it is most common in people who have damage to their heart muscle from a heart attack or other disease , which creates abnormal electrical pathways in the ventricles. If you have a history of VT, you may not require any treatment. In other cases, you may need a device implanted to automatically stop the tachycardia, or rapid heart rate, when it starts.
Common risk factors include coronary artery disease, hardening or narrowing of the arteries which supply blood to the heart; family history of VT; and having had a previous heart attack. Anyone who has concerns about their heart health should seek medical advice, as early treatment can help prevent long-term and possibly life threatening complications. QT prolongation occurs when the heart takes longer to contract and relax than it usually does.
Learn more about the effects of QT prolongation here. Dysrhythmia and arrhythmia are both terms doctors use to describe an abnormal heart rate. Types include bradyarrhythmia or supraventricular arrhythmia.
Ventricular tachycardia VT causes the heart to beat at a rate of over beats per minute. VT causes include underlying heart disease. Learn more. Bradyarrhythmia means a slow heart rate with an arrhythmia.
It is not always a cause for concern but may signal a serious underlying condition. Atrial fibrillation creates an irregular heart rhythm through electrical signal malfunctions. Learn more about the causes and symptoms of the…. Everything you need to know about tachycardia. Definition Causes Treatments Slowing a rapid heartbeat Prevention Symptoms Possible complications Types Risk factors Diagnosis Complications Summary Tachycardia refers to a fast resting heart rate, usually over beats per minute.
What is tachycardia? Ways to slow a fast heartbeat. Possible complications. Risk factors. Costs associated with obesity may account for 3. Medical Myths: All about lung cancer. Cancer research: Are we over-relying on genetic links? Related Coverage. What are dysrhythmia and arrhythmia? Medically reviewed by Dr. Payal Kohli, M. Ventricular tachycardia explained. What's to know about bradyarrhythmia? But a short-circuit anywhere along this path can throw off the normal pace or rhythm of the heart.
In most cases, this type of tachycardia is just a nuisance problem. This type of tachycardia is more likely to pose a danger, although not all do. If you know exactly what type of tachycardia your daughter has, you can make informed decisions about treatments that can minimize her risks — which should be very reassuring for you. In addition to a medical history and physical exam, a thorough assessment of tachycardia should include:.
By correlating all of this information, and looking at the symptoms your daughter experiences at the moment that a tachycardia episode is occurring, a physician can confirm what type of tachycardia your daughter has, reassure you about whether it is dangerous or not, and recommend the best options for treatment. But if the episodes happen fairly often, last a long time, or cause a lot of anxiety, then treatment may be beneficial and reassuring.
Depending on the type of tachycardia, treatment options might include antiarrhythmic medications or a procedure called catheter ablation, which permanently eliminates the tissue that was causing the short-circuit in the electrical pathway. If you already have heart disease, monitor it and follow your treatment plan to help prevent tachycardia.
If you already have heart disease, you can take steps to help prevent tachycardia or another arrhythmia:. Tachycardia care at Mayo Clinic. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version.
This content does not have an Arabic version. Overview Tachycardia heartbeat Open pop-up dialog box Close. Tachycardia heartbeat In tachycardia, an abnormal electrical impulse starting in the upper or lower chambers of the heart causes the heart to beat faster.
Request an Appointment at Mayo Clinic. Typical heartbeat Open pop-up dialog box Close. Typical heartbeat In a typical heart rhythm, a tiny cluster of cells at the sinus node sends out an electrical signal. Share on: Facebook Twitter. Show references Homoud MK, et al. Sinus tachycardia: Evaluation and management. Accessed March 3, Zipes DP, et al. Diagnosis of cardiac arrhythmias.
Elsevier; Accessed March 5, Crawford MH, ed. McGraw-Hill Education; What is an arrhythmia? National Heart, Lung, and Blood Institute. Overview of arrhythmias.
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