Changes

An '''arrhythmia''' is any disorder of a person's [[heart]] rate or rhythm. Their heart beats too quickly, too slowly or with an irregular pattern. When the heart beats faster than normal, it is called '''tachycardia'''. When the heart beats too slowly, it is called '''bradycardia'''.

An '''arrhythmia''' is any disorder of a person's [[heart]] rate or rhythm. Their heart beats too quickly, too slowly or with an irregular pattern. When the heart beats faster than normal, it is called [[tachycardia]]. When the heart beats too slowly, it is called [[bradycardia]].

Many factors can affect the heart's rhythm, such as having a heart attack, blood chemistry imbalances or abnormal hormone levels. Some substances or medicines may also cause arrhythmias.

Many factors can affect the heart's rhythm, such as having a [[heart attack]], blood chemistry imbalances or abnormal [[hormone]] levels. Some substances or medicines may also cause arrhythmia.

 

* Fast or slow heart beat

* Fast or slow heart beat

* Skipping beats

* Skipping beats

* Lightheadedness, dizziness

* Lightheadedness, [[dizziness]]

* Chest pain

* Chest pain

* Shortness of breath

* [[Shortness of breath]]

* Paleness

* Paleness

* Sweating<ref>http://www.nlm.nih.gov/medlineplus/arrhythmia.html</ref>

* [[Sweat]]ing<ref>http://www.nlm.nih.gov/medlineplus/arrhythmia.html</ref>

==References==

==References==

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[[Category:Medicine]]

[[Category:Medicine]]