Heart Rhythms
- Arrhythmia
Arrhythmia is a change in the regular heart beat of the heart. The heart may seem to skip a beat or beat irregularly or very fast or very slow.
- Atrial fibrillation
Atrial fibrillation (AF) is a common type of heart rhythm disorder (arrhythmia) where the electrical signals that control your heartbeat are abnormal.
- Heart Block
'Heart block' is when the atrioventricular node in the heart or the electrical heart beat conducting system or both fail to communicate with the ventricles (heart pumping chambers). The most common symptom of this serious disorder is dizziness or ...
- Heart Murmur
The familiar lub-dub sound of the heartbeat is caused by the rhythmic closing of the heart valves as blood is pumped in and out of the chambers. Blood can flow abnormally through the heart for many reasons including defective valves, congenital ...
- Irregular Heart Beat
Depending on the individual's age and level of fitness, the heart beats (on average) between 60 and 100 times every minute. A heart that persistently beats irregularly, too fast or too slow is considered to be experiencing heart arrhythmia, or ...
- Palpatations
Depending on the individual's age and level of fitness, the heart beats (on average) between 60 and 100 times every minute. Almost everyone experiences a palpitation occasionally. This may be the result of a very brief period of irregular heart ...
Last updated: 16 May, 2012
Last reviewed: 16 May, 2012
