Sheppard, Richard J Heart rate recovery--a potential marker of clinical outcomes in heart failure patients receiving beta-blocker therapy. [electronic resource] - The Canadian journal of cardiology Dec 2007 - 1135-8 p. digital Publication Type: Journal Article ISSN: 0828-282X Standard No.: 10.1016/s0828-282x(07)70884-x doi Subjects--Topical Terms: Adrenergic beta-Antagonists--therapeutic useElectrocardiographyExercise TestFollow-Up StudiesHeart Failure--drug therapyHeart Rate--drug effectsHumansMiddle AgedQuebec--epidemiologyRecovery of Function--drug effectsRetrospective StudiesStroke Volume--drug effectsSurvival RateTreatment Outcome