Pleural effusion. A pleural effusion is excess fluid that accumulates in the pleural cavity, the fluid-filled space that surrounds the lungs. This excess can impair breathing by limiting the expansion of the lungs.
There are 1.5 ounces in a shot. There are 64 ounces in a half gallon. So there are 42.6666667 shots in a half gallon or about 42 1/2 shots in a half gallon. You can find this out by going to Google and typing: shots in half gallon or the long way by typing: ounces in shot and ounces in half gallon
Approximately 85 from an 8 gallon keg. and 170 in a 16 gallon keg. If you get what is considered a keg or a half barrel the math is pretty easy. .5 of a US Liquid Barrel = 2016 US Liquid Oz 2016/12=168. This is of course assuming you don't pour out a lot of the inital foam that always comes from getting/moving kegs in which case I would say 160ish.