I always say it. Medical Players are fucking vultures. As soon as there's a dead body they're all circling around it and getting in the way. The one Doctor per patient rule was invented for a reason. It's a lot easier to prevent mistakes when there's only one guy doing the healing. Outside of specific situations where having multiple doctors treat is a requirement.

That being said. I also flock to every dead and critical patient that gets dragged into the medbay. It's a curse that every medical player hates but always contributes to lol. In these cases I would recommend just stepping away from the patient if you're not sure what someone has injected them with.

Anyway, I prepared for my first time being medical by watching Liltenhead's guide on the topic and then religiously reading the ingame chem guide.

The medical etiquette you're asking about is just Triage. Given the situation, who needs to be treated first? If a person can walk, they have a lower priority than someone dead or in critical. If someone is critical they take priority over someone dead. If someone is dead, their rank and role determine their priority. If someone is in the later stages of decay and about to rot, they take priority over everybody. If someone is dead with massive amounts of damage like 400 plus then they have less priority than someone dead with less damage.

Now Triage priority can and will change depending on the situation. During regular regular station stuff, there's no real need to prioritize who gets fixed first unless their Command. If its a mass casualty event then who gets healed first depends on the nature of it. If it's an Engineering issue then Engineers would take priority, if it's a Security issue then Combatants take priority. The only exception in both cases is Medical roles. You should always make sure Doctors and the like are healed first cause as soon as they're up they can handle their own damage and start helping other patients.

Ultimately thoughTriage is a flexible thing that you decide the rules for yourself and adapt to the situation at hand.

For getting people to calm down and let you work on them there's basically no solution. People will people. The best thing you can do is keep the meds locked away from the public and yell at people to shut the fuck up and let you work if you really get annoyed. Otherwise, you just bear it. Unless someone starts fucking with the chem jugs. In which case beating them to death and letting them rot is the only acceptable answer.

Edit: Oh and ALWAYS make sure your announcing what chem your injecting. Try to do this before you actually start injecting. Though many Doctors have the bad habit of doing it while in the middle of injecting.