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 Atelectasis may also occur during suction, as along with sputum, air is withdrawn from the lungs.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 1980. In the U.S., the album spent 11 weeks on the "Billboard 200" album charts and reached its peak position of No. 72 in February 1981. The 2010 rerelease also charted in the UK, reaching No. 63 in November of that year. "Sound Affects" was re-issued on 8 November 2010 as a 2 CD Deluxe Edition to celebrate its 30th Anniversary. All songs by Paul Weller except where stated Note ♠ – Tracks previously unreleased 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