It's important to be prepared and have a 'Plan b' when blood sugars go awry.
Anytime insulin ceases to be delivered in a person with type 1 diabetes this can lead to trouble. In this case, it's rapid or very rapid acting insulin"026meaning the potential for this malfunction to have been life threatening was much much higher. Having a plan in place assures you that you're in control should something unforeseeable happen.
For folks with an insulin pump, if you are going to have an X-ray, CT scan, MRI or any other type of radiation therapy, take your pump off, and remove them from the area. Regardless of the pump, during travel it's important to be extra vigilant about blood sugars and check then more often.