According to the specification there is provided a fluid management system comprising: a cartridge having a plurality of fluid channels, including first, second, third and fourth fluid channels defining a three-dimensional fluid path for fluid flowing therethrough, said cartridge having a main wall dividing the cartridge between first and second sides. The first fluid channel and the fourth fluid channel are separated by a first separation wall and are located on the first side of the cartridge. The second fluid channel and the third fluid channel are separated by a second separation wall and are located on the second side of the cartridge. The cartridge including an inlet in fluid communication with said first fluid channel and an outlet in fluid communication with said fourth fluid channel, and the fluid flowing through the three-dimensional fluid path of the cartridge from the inlet to the outlet in order of: first fluid channel, second fluid channel, third fluid channel, and fourth fluid channel. There is further provided a heater assembly including: a housing having a slot dimensioned to receive the cartridge, and a plurality of infrared lamps, including first, second, third and fourth infrared lamps mounted within the housing generally adjacent to the slot and a control system operatively connected to the plurality of infrared lamps to adjust power to the plurality of infrared lamps to heat the fluid in the three-dimensional fluid path to a desired temperature.
