I'd take Arteta off. Definitely being targeted here. Move Ramsey to the holding role, bring on Gnabry.
Giroud off Gnabry on, put Ozil up front. I think we are better off packing out another man in midfield than playing with a striker at the moment, think we are more likely to score from midfield in this game anyway as we have no pace to get in behind and put decent balls into Giroud.
I'd swap Arteta for Gnabry in the next few minutes and push Ramsey and Rosicky into the middle. Arteta is going to go for an early bath otherwise and we need to change something otherwise the rest of this game is going to see us just soaking up pressure.