Premature ventricular contraction (PVC) is a type of arrhythmia, or abnormal heartbeat. Learn more about its treatment, symptoms, diagnosis, and more.

In a normal heart rhythm, your heartbeat is steady and even. ... (PVC, also premature ventricular complex). ... or SA, node) usually control its rhythm. The SA node acts as a natural pacemaker, ...

The rhythm of a film is largely in the hands of its editor, who helps create a cohesive flow and find the perfect balance between fast-paced action and slower emotional moments, suspense and ...

Pacemaker for slow heart rhythm restores life expectancy, study suggests. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2013 / 09 / 130902101853.htm.

The rhythm is regular at a rate of 120 beats/min. A pacemaker stimulus occurs before each QRS complex (→). This is ventricular pacing. Because the pacing rate is 120 beats/min, the mode of ...