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Palpitation

Definition

• Palpitation(s) is a sudden awareness of one's own heartbeat. This usually occurs as a sensation in the chest of a rapid, irregular, fluttery or unusually strong heartbeat.

Additional Info

This sensation can arise from stress such as fear, anxiety and anger. It is also common when using stimulants such as caffeine, while smoking and while taking certain medications such as decongestants. Palpitation is also a symptom of certain medical disorders, particularly those of the heart or the thyroid gland. (see Further Reading below).

If additional symptoms such as dizziness, nausea, fainting, sweating, chest pain etc. are noticed consult your physician or contact your local emergency room.

MSDS Relevance Exposure to certain chemicals can cause palpitations. Common examples are refrigerant gases such as Freon 114. As always, read your MSDS's to know if palpitations are a symptom of exposure and take precautions to minimize your exposure. Further Reading Palpitations at MedicineNet.com. Heart Palpitations at Temple University Hospital. Heart Palpitations at the NIH's MedLine Plus Encyclopedia. Palpitations: What's That Fluttering Feeling? and Heart Palpitations: Finding the Cause at Yahoo! Health.

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See also: bradycardia, diaphoresis, tachycardia

Additional definitions from Google and OneLook.

Disclaimer: The information contained herein is believed to be true and accurate, however ILPI makes no guarantees concerning the veracity of any statement. Use of any information on this page is at the reader's own risk. ILPI strongly encourages the reader to consult the appropriate local, state and federal agencies concerning the matters discussed herein.