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Interpreting the waves and detecting abnormalities: Typically, the heart conducts electricity in a pathway starting in the sinoatrial node (SA), our heart’s “natural pacemaker”, located in the wall of the right atrium. AFIB/AFL – atrial fibrillation or atrialflutter episodes.
She also has a hx of paroxysmal atrial fibrillation and is on oral anticoagulant treatment. She had a single chamber ICD/Pacemaker implanted several years prior due to ventricular tachycardia. The ECG was interpreted as showing atrialflutter with 2:1 conduction. The last echocardiography 12 months ago showed HFmrEF.
The sinus node, when not interrupted, occurs more than 600 ms after the previous atrial beat, so sinus tachycardia is NOT present __ One might call this multifocal atrial tachycardia (MAT) , but since there are definite sinus beats which are not tachycardic, this is sinus with multifocal atrial premature beats. GET a 12-lead!
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