Amp Up Your Skills with the Certified EKG Technician (CET) Practice Exam 2025 – Pulse Your Way to Success!

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What heart rhythm is characterized by a consistently high rate, often above 100 beats per minute?

Bradycardia

Sinus tachycardia

Sinus tachycardia is characterized by a consistently elevated heart rate, typically exceeding 100 beats per minute. This rhythm originates from the sinoatrial (SA) node, which is the heart's natural pacemaker. In sinus tachycardia, the electrical impulses sent from the SA node are generated at a faster rate, leading to an overall increase in heart rate while maintaining a regular rhythm.

This condition can occur in response to various physiological factors, such as exercise, stress, fever, or anxiety, as well as certain medical conditions like hyperthyroidism. It's important to note that while the heart rate is elevated, the rhythm remains organized and consistent, distinguishing it from other forms of tachycardia.

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Atrial fibrillation

Ventricular tachycardia

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