Definition: "Interatrial" refers to a specific type of cardiac arrhythmia or rhythm that occurs in the heart's left atrium. This condition is characterized by rapid, irregular electrical activity within the heart's left atrium, which can lead to severe chest pain and shortness of breath. It is often associated with other signs and symptoms such as nausea, sweating, and a feeling of impending doom. Treatment for interatrial arrhythmias typically involves medication to reduce the rate at which the heart
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