1 In many cases of bronchiectasis a clear-cut cause cannot be identified. 2  Some respiratory infections in childhood can damage the airways and lead to bronchiectasis. 3  These may be viral infections (such as cause some types of bronchiolitis, or measles) or bacterial infections (such as whooping cough).ence, physiotherapy is needed to help clear these secretions. Normally the airways in the lung are sterile-they are not infected. In bronchiectasis, because of the inability to clear secretions effectively, these secretions become infected.
Halo 4's multiplayer features aspects from both Halo 3's and Halo: Reach's multiplayer. Sprint is now an ability that everyone can use along with their Armor Abilities. Firefight has been replaced with Spartan Ops, and like Firefight, Spartan Ops can be played online.
This will pause the game for you only if you are in a multiplayer match, so beware. In addition, you will be able to access the pause menu, where you will be able to change game options and change teams. 4. Familiarize yourself with the style of play that Halo 3 uses. Halo 3 is basically a shooter, so weapons, cover, aim and strategy are all parts of the game which you must play.