Choose your scheduled service below for practical preparation guidance. Always follow the instructions provided by your ordering physician and imaging facility, because requirements can vary by examination.
Patient Resource
Prepare for Your Imaging Appointment
Find the Guidance for Your Scan
Each service page explains common preparation, what to expect, and important safety considerations.
Ultrasound
Fasting or bladder-filling instructions based on the study ordered.
Stress Test / EKG
Clothing, food, caffeine, and medication instructions when applicable.
Your Appointment Instructions Come First
Preparation varies by body part, protocol, contrast use, medical history, and facility. If the instructions you receive differ from general website guidance, follow the instructions from your imaging facility or ordering physician. Contact MARS Healthcare at (773) 598-8238 if you need help confirming the correct preparation steps.
