The strength of QT-RR coupling decreases during graded head-up tilt

Alberto Porta1, Eleonora Tobaldini, Nicola Montano

  • 1Department of Technologies for Health, Galeazzi Orthopaedic Institute, University of Milan, and Department of Clinical Sciences L. Sacco, Internal Medicine II, L. Sacco Hospital, Milan, Italy. alberto.porta@unimi.it

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