Fig. 1From: Assessment of clinical effect and treatment quality of immediate-release carvedilol-IR versus SLOW release carvedilol-SR in Heart Failure patients (SLOW-HF): study protocol for a randomized controlled trialStudy flow chart. BNP B-type natriuretic peptide, HFrEF heart failure with reduced ejection fraction, IR immediate-release, LVEF left ventricular ejection fraction, NT-proBNP N-terminal B-type natriuretic peptide, SR slow-releaseBack to article page