RT Journal A1 Belie N, Grais M, Singer DH, Cohen H T1 PSeudo atrioventricular block JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1979 FD April 1 VO 139 IS 4 SP 459 OP 460 DO 10.1001/archinte.1979.03630410065020 UL http://dx.doi.org/10.1001/archinte.1979.03630410065020 AB Pseudo first- and second-degree atrioventricular (AV) block can occur due to depressive effects of concealed junctional discharges on AV conduction of sinus impulses. Pseudo AV block is not indicative of a primary impairment of AV conduction and is reversible by interventions that suppress ectopy.(Arch Intern Med 139:459-460, 1979)