Atelectasis from the outside (tumor, lymph node, tubercle). Another cause is poor surfactant spreading during inspiration, causing the surface tension to be at its highest which tends to collapse smaller alveoli. Atelectasis may also occur during suction, as along with sputum, air is withdrawn from the lungs. There are several types of atelectasis according to their underlying mechanisms or the distribution of alveolar collapse; resorption, compression, microatelectasis and contraction atelectasis. Relaxation atelectasis (also called passive atelectasis) is when a pleural effusion or a pneumothorax disrupts the contact between the parietal and visceral pleurae. Risk factors associated with increased likelihood of the
Sound Affects Sound Affects Sound Affects is the fifth studio album by British rock band the Jam. The cover art is a pastiche of the artwork used on various "Sound Effects" records produced by the BBC during the 1970s. It is their only album co-produced by the band, and contains the only album track co-written by the entire band, "Music for the Last Couple". The album was released on 28 November 1980. Paul Weller is known to have opined "Sound Affects" as the best album The Jam released throughout their career; freely admitting the Beatles' "Revolver" had been a major influence upon