Coronavirus disease 2019 (COVID-19) is a viral infection which can cause a variety of
respiratory, gastrointestinal, and vascular symptoms. The acute illness phase generally lasts no …

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 order. …

The objective of the present study was to evaluate the effect of morphine on exertional
breathlessness and exercise endurance in advanced chronic obstructive pulmonary disease (…

… Correspondence and requests for reprints should be addressed to Sara J. Abdallah, M.Sc.,
Department of Kinesiology and Physical Education, 475 Pine Avenue West, Montreal, QC, …

In patients with chronic obstructive pulmonary disease (COPD), exertional dyspnoea
generally arises when there is imbalance between ventilatory demand and capacity, but the …

Nitric oxide (NO) is a gaseous neurotransmitter, which, in adult mammals, modulates the
acute hypoxic ventilatory response; its role in the control of breathing in fish during …

Introduction: Rates of cannabis consumption range from 40% to 74% among people living
with HIV (PLWH). Little is known about the reasons for cannabis use, related modes of …

Key points Hydrogen sulphide (H 2 S), a gaseous neurotransmitter, is involved in oxygen
sensing in glomus cells, which are oxygen‐sensing cells found in the mammalian carotid body. …

Severe hypoxia elicits aquatic surface respiration (ASR) behaviour in many species of fish,
where ventilation of the gills at the air–water interface improves O 2 uptake and survival. ASR …

Objectives Dyspnoea is a common persistent symptom post-coronavirus disease 2019 (COVID-19)
illness. However, the mechanisms underlying dyspnoea in the post-COVID-19 …