First Degree Threatening under C.G.S. 53a-61aa is a bit more serious. This is a felony charges that applies when a person threatens to commit any crime using a hazardous substance with the intent to cause an evacuation (i.e. calling in a chemical bomb threat to a courthouse or school).
Good luck with this; I hope that your daughter is well (that's the main thing), and that the test will be reassuring. J Our 2.5 year old daughter had an MRI at Children's in December to rule out a brain tumor or cerebellar swelling.
MRI typically costs more and may take more time to perform than other imaging modalities. MRI of the chest takes more time than an x-ray or CT exam. Because of the length of time an MRI takes to complete, many young children and infants require sedation to hold still for the exam.