Effect of the Use of Protective Masks on the Ability to Perform Daily Activities in Patients with Heart Failure or Obstructive Pulmonary Disease

"Subjects will perform a cardiopulmonary exercise test (CPET) and a series of standardized daily activities while wearing a protective mask.~During the exercises, oxygen consumption, ventilation and other cardiorespiratory parameters will be assessed using a portable device (K5, Cosmed)"