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# Cardiac arrhythmia

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Health Sciences > Medicine > Cardiology > Cardiac Arrhythmias

Cardiac arrhytmias is a term applied to disturbances of :

- frequency of heart beats
- regularity of heart beats
- origin of heart beats impulse

  Frequency

Increased frequency is described as /tachycardia
Decreased frequency is described as /bradycardia

  Regularity

Irregularity may be absolute - for example [atrial fibrillation]? or with a pattern - for example bigeminia? or trigeminia?.

  Origin

In normal conditions heart beat impulses are generated in [sinoatrial node]?. If the impulse is generated in other parts of the heart it is regarded as a pathological phenomenon.

  Diagnosis

The most simple and effective diagnostic test for assesment of heart rhythm is electrocardiogram? ( abbreviated ECG or EKG.

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Last edited April 26, 2001 12:00 pm (diff)
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