Respiratory rate is a fundamental vital sign that is sensitive to different pathological
conditions (eg, adverse cardiac events, pneumonia, and clinical deterioration) and stressors …

Assessing respiratory mechanics and muscle function is critical for both clinical practice and
research purposes. Several methodological developments over the past two decades have …

The purpose of this study was to examine the physiological mechanisms of persistent
dyspnoea in COVID-19 survivors. Non-critical patients (n= 186) with varying degrees of …

Respiratory drive, the intensity of the respiratory center's output, determines the effort
exerted in each breath. The increasing awareness of the adverse effects of both strong and …

Dyspnea is the most common symptom experienced by patients with chronic obstructive
pulmonary disease (COPD). To avoid exertional dyspnea, many patients adopt a sedentary …

The clinical expression of idiopathic pulmonary fibrosis (IPF) is directly related to multiple
alterations in lung function. These alterations derive from a complex disease process …

Recent advances in understanding the importance of respiratory frequency (f R) as a
sensitive marker of a variety of physiopathological stressors are fostering growing interest in …

Among patients with chronic obstructive pulmonary disease (COPD), those with the lowest
maximal inspiratory pressures experience greater breathing discomfort (dyspnea) during …

Dyspnea is a distressing, debilitating, and near-ubiquitous symptom affecting patients with
COPD. In addition to the functional consequences of dyspnea, which include activity …

Methods Patients were prospectively screened and recruited from The Ottawa Hospital
administrative registry and from our study website (https://omc. ohri. ca/left/) in sequential …