1. Heart rate recovery after the 6 min walk test rather than distance ambulated is a powerful prognostic indicator in heart failure with reduced and preserved ejection fraction: a comparison with cardiopulmonary exercise testing. (May 2013) Authors: Cahalin, Lawrence P.; Arena, Ross; Labate, Valentina; Bandera, Francesco; Lavie, Carl J.; Guazzi, Marco Journal: European journal of heart failure Issue: Volume 15:Number 5(2013) Page Start: 519 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗