Any surface that would allow for chest compressions will allow for sternal IO insertion. You just need to do it once or twice with the fast1 and you will master the technique and never forget the skills. It’s just so easy and provides the best flow from any IO site. It’s also the most proximal...
If your #1 option is tibial IO, please be aware that on adult patients, it is not a good option for multiple reasons: it is the most distal site from the heart, if you infuse epinephrine, the drug will most probably get metabolized before it reaches the heart (half life of epi is around 100 sec...