DR vs. CR: Which Portable X-Ray Technology Should Your Facility Require?

When evaluating mobile X-ray providers, one of the most important questions to ask is: Do you use DR or CR equipment? The answer directly impacts image quality, patient radiation dose, and how quickly you receive results.

What is DR (Digital Radiography)?

DR systems use a flat-panel detector that captures the X-ray image directly in digital format. The image appears on the technologist's screen within seconds of the exposure.

Advantages:

• Image preview in 3-25 seconds
• Lower radiation dose (approximately 10% less than CR)
• Higher spatial resolution and better image quality
• No cassette handling — faster workflow
• Immediate quality check at the bedside

What is CR (Computed Radiography)?

CR systems use a phosphor storage plate inside a cassette. After the exposure, the cassette must be processed through a separate reader to digitize the image.

Advantages:

• Lower equipment cost
• Familiar cassette-based workflow
• Adequate for many routine exams

The Key Differences

| Feature | DR | CR | |---------|----|----| | Image preview time | 3-25 seconds | 60-90 seconds (requires reader) | | Radiation dose | ~10% lower | Standard | | Spatial resolution | Higher | Lower | | Workflow speed | Faster | Slower | | Equipment cost | Higher | Lower |

What Should Facilities Require?

For most skilled nursing facilities and long-term care settings, DR is the preferred standard. The lower radiation dose is particularly important for elderly patients who may require frequent imaging. The faster workflow means less time positioning and waiting — which matters for patients with limited mobility or cognitive impairment.

If your mobile imaging provider still uses CR, ask about their upgrade timeline. The industry is moving toward DR as the standard of care.

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Every provider on Stat Imaging lists their equipment type (DR or CR) and manufacturer. Search providers and filter by equipment type.