Your heart is designed to keep a perfect rhythm—but what happens when that rhythm falters? In this episode, we look at arrhythmias, including atrial fibrillation (AFib), which now affects millions and significantly increases stroke risk. We explain how to recognize palpitations, dizziness, and other signs that something’s off—and what treatments and technologies are available to help get your rhythm back on track. --In this special 4-part series on heart diseases, we're going to give you something that's getting harder and harder to come by: time with a cardiologist. Access to medical care is a growing challenge—especially when it comes to specialists. In the U.S. today, a single cardiologist may be responsible for thousands of patients, and nearly half of all U.S. counties don’t even have one. We’re joined by Dr. Jaspal Gill, Cardiologist and Clinical Research Fellow at the University of London, to break down the fundamentals of the most common—and most critical—heart conditions: high blood pressure, heart attacks, stroke, and arrhythmia.

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