This Trinity Health IHA Imaging lab is located inside the South Lyon Medical Center. Walk-ins are welcome, no appointment necessary. Please enter the Urgent Care suite and check-in at the front desk. This facility offers patients X-ray services for the abdomen, chest, skull, extremities and more, and general ultrasound examination. This location does not offer obstetric ultrasound. For information on how to prepare for your ultrasound, see instructions in the "Information & Forms" section of this page.