Pulmonary edema occurs when the alveoli fill up with excess fluid seeped out of the blood vessels in the lung instead of air. This can cause problems with the exchange of gas (oxygen and carbon dioxide), resulting in breathing difficulty and poor oxygenation of blood.
Currently buildings are limited to a height of 200 meters and are subject to not contrasting the view of Mount Royal, the city's central green space, with the only exception being antennas and communication towers, that are allowed to reach 223 metres (732 ft) above mean sea level.
6.5.1.2 Building height shall be measured as the vertical dist ance from the average elevations of the existing lot grade at the front of the building to the highest point of the top story in the case of a flat roof, and to the mean height between the plate and the ridge in the case o f a pitched roof.