In all actions brought after March 30, 1937, against any such common carrier under or by virtue of any of the provisions of NRS 705.260 to 705.340, inclusive, to recover damages for personal injury to the employee, or where such injuries have resulted in the employee's death, the fact of any such injury or death occurring to such employee and arising out of and in the course of such employment shall be presumptive evidence of the want of reasonable skill and care on the part of such carrier, and the carrier's agents, servants and employees in reference to such injury or death, unless and until rebutted.
NRS 705.310