A palpitation is when you are aware of the abnormal beating of your heart,[1] whether it is too slow, too fast, irregular, or at its normal frequency.
There are two types of awareness. The first called normal awareness is when you concentrate in order to be aware of your heart beat.
The second is when your other thought s are interrupted and you become aware of it beating
Nearly everyone experiences an occasional awareness of their heart beating, but when it occurs frequently, it can indicate a problem.
Palpitations may be brought on by adrenaline, alcohol, caffeine, cocaine, overexertion, or by amphetamines and other drugs. Also disease – such as hyperthyroidism, or as we are looking at here, as a symptom of panic disorder.
Palpitations can also occur from blood loss, excessive pain, or lack of oxygen.
Attacks can last for a few seconds or up to a number of hours, and may occur very infrequently, or more than daily.
If you have palpitations along with other symptoms, including chest pain or dizziness, faintness, sweating, this should be investigated.
However, having palpitations is a common side effect of medications such as anti-depressants.
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