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Arrhythmia

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If you or a family member is
suffering from palpitations, or fainting (synscope)
you should be seen by a cardiologist.

Your heart pumps blood through your body--these heartbeats are triggered by electrical impulses that begin in your heart's own pacemaker--the sinoatrial node (SA node). Almost everyone's heart skips a beat at one time or another and these "palpitations are harmless, but if you have recurrent arrhythmias--you should be under the care of a physician.

Arrhythmias can be a very slow heart rate, called bradycardia (less than 60 beats per minute), or a very fast heart rate--called tachycardia (more than 100 beats per minute). Fast, uncoordinated beats are called Fibrillation.

Arrhythmias are divided into two categories: Ventricular and supraventricular.
Ventricular arrhythmias occur in the heart's two lower chambers, called the ventricles.
And, Supraventricular arrhythmias happen in the atria or two upper chambers.

(This article was written with the assistance of the Merck Manual.)

 

Index & Links

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Click for Explanation of
Ventricular Arrhythmias...

Tachycardia (VT)
Ventricular Fibrillation (VF)
Premature Ventricular Contractions (PVCs)

  Click for Explanation of
Supraventricular (Atrial) Arrhythmias
...
Supraventricular Tachycardia (SVT)
Atrial Fibrillation (A-Fib)
Wolff-Parkinson-White Syndrome (WPW)
Atrial Flutter
Premature Supraventricular Contractions (PACs)

  Explanation of Heart Block
Explanation of Long Q-T
Explanation of Torsades des Pointes

Causes & Symptoms of Arrhythmias
How Arrhythmias are Diagnosed
How are Arrhythmias Treated

 

Our URL is www.heart-help.net
LeeJRoush@msn.com

Last Modified on October 27, 2001

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should not be misconstrued as medical advice.
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