No abstract

P wave dispersion is more in the acute phase than in stable phase, and is greater in patients with more frequent exacerbations. This does not prove, but suggests an intriguing possibility that P wave dispersion predates acute exacerbations. This might be a new target for prediction, prevention and therapy of acute exacerbations of COPD.

Lady Windermere syndrome is right middle lobe or lingular segment bronchiectasis due to Mycobacterium avium intracellulare infection. In this brief report we describe two cases with contrasting clinical courses and discuss controversies regarding aetiology, pathogenesis and treatment. Hypotheses explaining middle lobe predilection are discussed and an alternative hypothesis is offered.