The genome of the organism that produces the world's most lethal toxin has been revealed. This toxin is the major weapon in the genome of Clostridium botulinum: less than two kg is enough to kill every person on the planet.
pneumothorax. entry of air into the pleural cavity in sufficient quantity to cause collapse of the lung and consequent respiratory embarrassment. If it is unilateral there is a mediastinal shift with displacement of the heart to the other side of the chest. Breath sounds are absent from the affected side. Pneumothorax.
Pleural effusion (large amounts of liquid in the. pleural space) or pneumothorax (air in the pleural space) can lead to a partial or. complete compression of the lung. If a tear or hole develops in the lung, air escapes into the pleural space, causing a pneumothorax. Sometimes, air goes into the pleural space and is.