Arrhythmia (2017) on Netflix

Plot summary

Oleg is a gifted paramedic who likes to drink after almost every shift. His wife Katya works at a hospital emergency department. She still loves him, but he puts his patients before her, and she tells him she wants out of the marriage. Since Oleg has not yet found a new place of his own, the two go on living together. Meanwhile, a new head takes over Oleg's EMA substation, a cold manager with strict new rules for the substation. Oleg pays those rules no attention; he has lives to save, and that gets him in trouble with his new boss.