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Why does my heart pound so fast when i wake up? What would be the reason?

Why does my heart pound so fast when i wake up? Sometimes when I take a nap, I wake up and my heart is beating really fast. Is this weird? What would be the reason?
Thu, 17 Dec 2009
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  User's Response
Heart Rate (HR) abruptly increases due to 3 main reasons: 1. Fight 2. Flight 3. Freight In these situations catecholamine levels increases and ultimately increases the HR above the normal. Continuous increased HR is called tachycardia and it's a serious medical illness which can cause high blood pressure and heart problems. If it is chronic (old - more than two weeks), it needs immediate attention. See your doctor at your earliest.
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