The company announced that the Food and Drug Administration had cleared its application to proceed to a clinical trial involving…
The Urgency of Care during the Covid-19 Pandemic — Learning as We Go
Chloroquine and hydroxychloroquine, alone or in combination with azithromycin, have been highly touted as potential therapies for Covid-19. The claims…
Infections Associated with Resterilized Pacemakers and Defibrillators
Access to permanent pacemakers and implantable cardioverter–defibrillators (ICDs) is problematic in some countries with limited resources. One potential strategy to…
Occupational airways disease
Airway diseases can be either caused or made worse by workplace exposures; early recognition of occupational disease is crucial to…
Opportunistic mycobacterial diseases
Non-tuberculous mycobacteria (NTM) are hardy environmental organisms: >200 species have been identified, with highly variable pathogenicity. NTM infection is usually…
Obstructive sleep apnoea
Obstructive sleep apnoea occurs during sleep when there is repeated pharyngeal collapse that obstructs the airway and causes repeated awakenings…
Systemic disease and the lung
Pulmonary manifestations of systemic disease occur in a wide range of conditions including, most commonly, connective tissue diseases such as…
Pulmonary sarcoidosis
Sarcoidosis can occur after genetically susceptible individuals interact with unidentified environmental antigens. Diagnosis requires clinical evaluation, chest radiography, lung function…