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Atrial Flutter Vs Atrial Fibrillation Ecg

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A supraventricular tachycardia with a ventricular heart rate of 150 beats per minute is suggestive (though not necessarily diagnostic) of atrial flutter. Administration of adenosine in the vein (intravenously) can help medical personnel differentiate between atrial flutter and other forms of supraventricular tachycardia. Immediate treatment of atrial flutter centers on slowing the heart rate with medications such as beta blockers (e. g. , metoprolol) or calcium channel blockers (e. g. , diltiazem) if the affected person is not having chest pain, has not lost consciousness, and if their blood pressure is normal (known as stable atrial flutter). If the affected person is having chest pain, has lost consciousness, or has low blood pressure (unstable atrial flutter), then an urgent electrical shock to the heart to restore a normal heart rhythm is necessary. Long-term use of blood thinners (e. g. , warfarin or apixaban) is an important component of treatment to reduce the risk of blood clot formation in the heart and resultant strokes. Medications used to restore a normal heart rhythm (antiarrhythmics) such as ibutilide effectively control atrial flutter about 80% of the time when they are started but atrial flutter recurs at a high rate (70–90% of the time) despite continued use. Atrial flutter can be treated more definitively with a technique known as catheter ablation. This involves the insertion of a catheter through a vein in the groin which is followed up to the heart and is used to identify and interrupt the electrical circuit causing the atrial flutter (by creating a small burn and scar).

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