Unexpected PR prolongation following nonconducted atrial extrasystoles: a manifestation of concealed reentry.
Istituto Pluridisciplinare di Clinica Medica, Università di Messina, Italy.
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Calabró
D000368:Aged; D005117:Cardiac Complexes, Premature / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male