Just before anyone thinks this is some kind of Theranos-sounding nightmare:

We've done point-of-care blood testing for a long time. The i-STAT from Abbott has been one of the gold standards for emergent testing requirements in emergency rooms and beyond.

For more on the general i-STAT: https://www.globalpointofcare.abbott/us/en/product-details/a...

For more on the TBI cartridge: https://www.globalpointofcare.abbott/us/en/product-details/a...

(Can I mention it is an utter pain to link the ancient i-STATs to literally anything?)