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Adams-Stokes disease is a temporary condition caused by a heart arrhythmia. Adams-Stokes is caused inadequate blood flow to the brain resulting in fainting (or syncope). The inadequate blood flow to the brain is caused by a slow heartbeat, an arrhythmia known as bradycardia. Bradycardia is usually the result of a slowly firing SA node or an interruption of the electrical signals traveling to the ventricles of the heart. The SA node (the pacemaker of the heart) may fire too slowly resulting in slower heartbeat. The electrical signals from the atria may also fail to travel beyond the AV node to the ventricles (known as heart block).
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