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1 Possible Causes for No Atrial Electrical Activity on Endocavitary Recordings, Progressive Decrease in Atrial Voltage

  • Atrial Standstill

    […] of P waves in any lead of the standard electrocardiogram and by endocavitary recording of electrical activity limited to a localized region of the atrium.[] […] on the endocavitary recordings; lack of atrial excitability; absence of atrial wall movement at fluoroscopy; no mitral A wave on the echocardiogram.[] Diagnostic criteria were: absence of P wave in any lead of the standard electrocardiogram; no electrical activity of the atria with extremely slow junctional escape rhythm[]

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