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Mar 7, 2024 · Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. It's a very fast or erratic heartbeat that affects the heart's upper chambers. SVT also is called paroxysmal supraventricular tachycardia. The typical heart beats about 60 to 100 times a minute.
Dec 1, 2021 · Tachycardia means your heart is beating too fast. It can reach more than 100 beats a minute while resting. With SVT (supraventricular tachycardia), your fast heart rate begins in your upper heart chambers. The cause is a problem with the electrical signals and circuitry in the heart.
Nov 9, 2023 · Supraventricular tachycardia (SVT) is a type of arrhythmia, or an irregular heartbeat, where your heart beats erratically or fast. Also called paroxysmal supraventricular tachycardia, SVT...
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Dec 6, 2021 · There are several types of SVT, with each involving a different part of the heart or having a unique origin. Signs of SVT include a racing heart rate and other symptoms that can cause...
Supraventricular tachycardia (SVT) is an arrhythmia or rapid heartbeat. A normal heartbeat is caused by an electrical impulse traveling through the heart. The electrical impulse originates in the sinus node (also called the sinoatrial node, or SA node), most often located in the top of the right atrium. The electrical signals travel through the ...
- www.mayoclinic.org
- › …
- › Diseases & Conditions
Mar 7, 2024 · SVT is a heart rhythm disorder that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and when it's treated.
Aug 7, 2023 · Supraventricular tachycardia (SVT) is a dysrhythmia originating at or above the atrioventricular (AV) node and is defined by a narrow complex (QRS < 120 milliseconds) at a rate > 100 beats per minute (bpm).
Definition. The term supraventricular tachycardia (SVT) refers to any tachydysrhythmia arising from above the level of the Bundle of His, and encompasses regular atrial, irregular atrial, and regular atrioventricular tachycardias. It is often used synonymously with AV nodal re-entry tachycardia (AVNRT), a form of SVT.
Supraventricular tachycardia (SVT) happens when the electrical system that controls your heart rhythm is not working properly. This causes your heart to suddenly beat much faster. It can then slow down abruptly. A normal resting heart rate is 60 to 100 beats per minute (bpm).
