What is QRS tachycardia?

Zoe Taylor | 2018-04-06 10:01:52 | page views:1202
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Scarlett Patel

Works at HealthPro Consulting, Lives in Mumbai, India.
As a medical professional with expertise in cardiology, I can provide you with an explanation of QRS tachycardia.

QRS tachycardia is a type of supraventricular tachycardia (SVT) where the heart rate is abnormally high, typically over 100 beats per minute. It is characterized by a narrow QRS complex on an electrocardiogram (ECG), which indicates that the electrical impulses are originating from above the ventricles, usually in the atria or the atrioventricular (AV) node. The term "tachycardia" refers to a rapid heart rate, and "QRS" refers to the specific waveform seen on the ECG that represents the depolarization of the ventricles.

There are several types of QRS tachycardia, including **paroxysmal supraventricular tachycardia (PSVT)**, atrial flutter, and atrial fibrillation. However, not all tachycardias with a narrow QRS complex are benign; conditions like atrial fibrillation can also present with a narrow QRS complex but require different management due to the chaotic electrical activity in the atria.

The causes of QRS tachycardia can vary and may include factors such as stress, caffeine intake, certain medications, or underlying heart conditions. Treatment depends on the underlying cause and may involve lifestyle changes, medications, or procedures to regulate the heart rate.

Mia Wright

Studied at Princeton University, Lives in Princeton, NJ
A tachycardia is defined as a heart rate greater than 100 beats per minute (bpm). In broad complex tachycardias the QRS complex is longer than 120 ms (three small squares on the ECG).
2015-5-14

Felix Brown

QuesHub.com delivers expert answers and knowledge to you.
A tachycardia is defined as a heart rate greater than 100 beats per minute (bpm). In broad complex tachycardias the QRS complex is longer than 120 ms (three small squares on the ECG).
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