SVT ectopy: It refers to extra beats from the top chambers of the heart or atria. They are caused by an transient imbalance in the ionic channels of cardiac cells or abnormal conduction. Typically, the sodium channel is the affect one. This has nothing to do with serum levels of sodium. However, high blood pressure can lead to elevated atrial pressure which can induce ectopy from the left atrium.
Answered 6/5/2021
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