Question Answered step-by-step which of the following is most likely associated with left-sided… which of the following is most likely associated with left-sided heart failure? a) S3, S4, b) decreased B-type natriuretic peptide, c) delta wave on EKG, and d)mediastinal widening on chest x ray? Health Science Science Nursing MSN 570 Share QuestionEmailCopy link Comments (0)