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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What causes heart palpitations?

I have had fluttering and a little tightness in my heart for several weeks. Today seemed particularly noticeable. --more sustained and a little more intense. It seems like there s not enough oxygen getting to my heart. I can breathe, but it feels like it s a little constrained or something. Any thoughts?
Mon, 28 Sep 2015
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Cardiologist 's  Response
Hello. Thank you for your question and welcome to HCM. I carefully read your query.

I would start answering this question by telling you that these two findings (not enough oxygen to the heart and palpitations) can coincide, but are not indicative, the one for another. It is only where there may have been a heart attack that can cause ventricular enlargement and, thus, producing palpitations.

A palpitation is the sensation produced by a premature ventricular beat or extrasystole or "skipped heart beat". This ectopic beat is not generated from the sinus node, the original pacemaker of the heart, but from an area elsewhere in the heart muscle. It causes a short pause after happening, and the next beat is normal, pounding and more forceful. This phenomenon, accompanied with shortness of breath, the sense that the heart is "jumping out of the chest" or "throat" is a palpitation. They can be sensed by any human being, after vigorous physical activity, hormonal changes in the system during a day, and psychological factors, such as stress, anxiety, panic etc.

With all of this said, if this remains a worrisome and abnormal finding to you, then I would recommend a 24-hour rhythm monitor, to evaluate and decide if these phenomena happen often, do they have clinical significance and whether the treatment is needed to suppress them or not.

I hope I have been of help.

My regards,
Dr. Meriton
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what causes heart palpitations and how can this condition be rectified? what causes heart palpitations and how can this condition be rectified?