Heart Failure / Humans / Chronic Disease / Oxygen Uptake / Left Ventricular Dysfunction / Adult / Public health systems and services research / Chronic Heart Failure / Healthy Subjects / Exercise Test / Oxygen Consumption / Exercise Tolerance / Adult / Public health systems and services research / Chronic Heart Failure / Healthy Subjects / Exercise Test / Oxygen Consumption / Exercise Tolerance
Low Frequency / High Frequency / Heart Failure / Humans / Female / Male / Oscillations / Body Mass Index / Respiration / Clinical Sciences / Middle Aged / Public health systems and services research / Chronic Heart Failure / Circulation / Nervous System / Sympathetic Nervous System / Heart Transplantation / Cardiac Transplantation / Muscle sympathetic nerve activity / Male / Oscillations / Body Mass Index / Respiration / Clinical Sciences / Middle Aged / Public health systems and services research / Chronic Heart Failure / Circulation / Nervous System / Sympathetic Nervous System / Heart Transplantation / Cardiac Transplantation / Muscle sympathetic nerve activity