Question special

As an IMG, medical cultural and hierarchical difference between the system of medical school training and the US can be drastic.
One such difference is in the comfort level of asking for help since asking for help is oftentimes take as a sign of weakness in such hierarchical Med school systems.
1. How do we as an institution / program let IMGs know that not only is it ok to ask for help but that it's expected and encouraged ?
2. What processes can be put into place to identify such trainees in duress ?
3. Who and how do IMGs approach if they feel they need help ?