Jun 25, 2025 · See inside a heart during atrial fibrillation. WebMD shows the causes, tests, and treatments for this common heart rhythm problem through illustrations and photos.

Atrial fibrillation (AFib) is a heart rhythm disorder. In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat. The signals go across the upper …

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In comparison with Sinus rhythm, AF has no P wave as the SA node is not functioning. However, the atria generate up to 600 stimuli/min and each stimuli is picked up by the ECG machine. …

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Browse 197 authentic atrial fibrillation stock photos, high-res images, and pictures, or explore additional atrial fibrillation ablation or atrial fibrillation device stock images to find the right …

The smaller deflections are only visible in the lead labeled V1 (which is the closest lead to the upper heart chambers) and show atrial fibrillation deflections that are very rapid (more than …

Pictures show the causes, tests, and treatments for this common heart rhythm problem through illustrations and photos. Collection of all of WebMD's slideshows and galleries on Atrial...

Search among 367 authentic atrial fibrillation stock photos, high-definition images, and pictures, or look at other heart failure or atrial fibrillation ecg stock images to enhance your presentation …

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