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Prepare for Your Imaging Appointment

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.

Find the Guidance for Your Scan

Each service page explains common preparation, what to expect, and important safety considerations.

MRI

Metal screening, implants, contrast considerations, and claustrophobia guidance.

MRI Preparation

CT Scan

Contrast, fasting, hydration, medication, and pregnancy considerations.

CT Preparation

Ultrasound

Fasting or bladder-filling instructions based on the study ordered.

Ultrasound Preparation

X-Ray

Clothing, jewelry, prior images, and pregnancy considerations.

X-Ray Preparation

Mammogram

Deodorant, scheduling, prior images, and breast-symptom information.

Mammogram Preparation

DEXA Bone Density

Calcium supplements, clothing, and recent contrast examinations.

DEXA Preparation

PET Scan

Fasting, glucose, activity, medication, and arrival-time guidance.

PET Preparation

Stress Test / EKG

Clothing, food, caffeine, and medication instructions when applicable.

Cardiac Test Preparation

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.

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