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a "flopping" sensation of my heart when I inhale?

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Hello! Introduction: my name is Katie, 17 years old, senior in high school, year-round competitive swimmer, eat/live healthy, no known medical problems other than a few allergies, had leukopenia four years ago, family history of heart disease, high cholesterol, and cancer on father's side.

So about a year ago, I had my first encounter with what my friend's parents (who are both surgeons) and I believe to be irregular heartbeats, assuming from my description of a "flopping" sensation of my heart when I inhaled. It almost feels like an adrenaline rush when it happens, and I feel very exhausted afterwards. The first time it happened was right before my warm up for a swim practice. I didn't pay much attention to it, merely blamed it on stress and lack of sleep (some nights I don't sleep well at all). But it happens almost once or every other day now when I'm just relaxing on my bed or after a hard workout in practice.

Is it time I see a doctor, is there something I can do?

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replied September 2nd, 2011
Heart Disease and Heart Attack Answer A26448
Many thanks for posting on ehealthforum. I am glad to help you out. The floppiness in the heart followed by tired could actually be runs of fast heart rate.

We call it supraventricular tachycardia and for the confirmation of the same we usually do a 24 hour holter (ECG) monitoring and this is picked up in such a monitoring.

In case, it’s confirmed, then another study called the electrophysiological study is carried out to look for any abnormal electrical pathway in the heart to cause this tachycardia (fast heart rate) and the treatment lies in ablation (damage) of this abnormal pathway. I sincerely hope that helps. Take care.

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