📉 Relative Renal Residual (early vs late counts)
UseRetention trend teaching.
Loading calculator…
SourceRenal scintigraphy relative residual indices (teaching)
Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
Scene next step
📋nm nuclearOpen scene pack →Related scores
Score + version; reference only — not a substitute for care · no HIS write
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Methodology · worked example, guidelines & full notes
Clinical takeaway
Not absolute GFR — use site software.
When to use
Retention trend teaching.
How it works
Residual %=late/early×100.
Key points
- Not absolute GFR — use site software.
References
- Renal scintigraphy relative residual indices (teaching)
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Mode | Unilateral/total |
|---|---|
| Early left/total counts | 10000 |
| Late left/total counts | 3000 |
| Early right counts | 9000 |
| Late right counts | 2500 |
→residual %30%
- residual L/total：30 %
- note：absolute clearance → institutional software
Verification & sources · governance
FAQ
Frequently asked questions
- What are the limits and cautions when using Relative Renal Residual (early vs late counts)?
- For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
- Does Relative Renal Residual (early vs late counts) upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.
- How is Relative Renal Residual (early vs late counts) calculated in practice? Can you show a worked example?
- Inputs: Mode Unilateral/total, Early left/total counts 10000, Late left/total counts 3000, Early right counts 9000, Late right counts 2500 → Result: residual % 30 %（residual L/total: 30 %, note: absolute clearance → institutional software）