Abstract:ATRIAL TACHYCARDIA WITHOUT P WAVES/Zipes et al.pathologic anatomy is seemingly so varied, one would expect the physiology to be somewhat varied and that prognosis might be related to a number of factors hitherto unrecognized in these patients.It is our feeling that a number of potential risk factors have been recognized in this study -all requiring long-term follow-up to see which, if any, do indeed increase risk. The abnormalities identified in this study, most of which were totally unsuspected from routine E… Show more
“…Zipes et al described two cases of atrial tachycardias without visible P waves that masqueraded as junctional tachycardias 20 . Similar to our cases, these patients had low voltages on intracardiac electrograms and inability to capture the right atria at high outputs.…”
An association between biatrial cardiomyopathy and scarring with normal atrial dimensions has been described. Since severe scarring has not been reported with organized arrhythmias this may represent a new syndrome.
“…Zipes et al described two cases of atrial tachycardias without visible P waves that masqueraded as junctional tachycardias 20 . Similar to our cases, these patients had low voltages on intracardiac electrograms and inability to capture the right atria at high outputs.…”
An association between biatrial cardiomyopathy and scarring with normal atrial dimensions has been described. Since severe scarring has not been reported with organized arrhythmias this may represent a new syndrome.
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