title: [Latent WPW syndrome diagnosed in Valsalva's method].
authors.forename: Z H
authors.initials: ZH
authors.lastname: Chang
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003097:Collateral Circulation; D004558:Electric Stimulation; D004562:Electrocardiography / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014630:Vagus Nerve; D014636:Valsalva Maneuver; D014927:Wolff-Parkinson-White Syndrome / Q000175:diagnosis*