Working from memory here, but didn't
Michael say "into the tube in her arm" instead of directly mentioning an IV? If so, that could have easily been a hep-lock instead. I've seen people get hep-locks hen the doc/nurse/medic thought that they may need to give injectable drugs or IVs in a hurry at some point. Never put one in or had one, but my ER friends say that they are pretty simple to start.
FWIW.
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