I'm 58kg how much permissible urine output
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normal urine output mL/kg/hour adult clinical standards oliguria
Here is a complete breakdown for your weight of 58 kg:
Urine Output for a 58 kg Adult
Normal Range
| Parameter | Formula | Your Value (58 kg) |
|---|---|---|
| Minimum acceptable (adult) | 0.5 mL/kg/hr | 29 mL/hour |
| Normal range | 0.5 - 1.5 mL/kg/hr | 29 - 87 mL/hour |
| Normal daily output | ~800 - 2000 mL/day | ~700 - 2000 mL/day |
So your minimum permissible urine output is 29 mL/hour (or roughly 696 mL/day).
Clinical Warning Thresholds
| Category | Threshold | Your Value |
|---|---|---|
| Oliguria (low output) | < 0.5 mL/kg/hr | < 29 mL/hr |
| Severe oliguria / AKI Stage 3 | < 0.3 mL/kg/hr for 24 hrs | < 17.4 mL/hr |
| Anuria | < 50 mL/day | essentially no output |
Per the KDIGO AKI criteria, AKI is staged by urine output as:
- Stage 1: < 0.5 mL/kg/hr for 6-12 hours
- Stage 2: < 0.5 mL/kg/hr for 12+ hours
- Stage 3: < 0.3 mL/kg/hr for 24+ hours, OR anuria for 12+ hours
Special Notes
- For neonates and infants, the normal minimum is higher: 1-2 mL/kg/hr (Schwartz's Principles of Surgery, 11th ed.)
- In pregnant women with preeclampsia, oliguria threshold is defined more conservatively due to the higher risk of pulmonary edema vs. renal damage (Creasy & Resnik's Maternal-Fetal Medicine)
- In a surgical/ICU setting, urine output is one of the earliest and most practical markers of renal perfusion and hemodynamic status
Bottom line: At 58 kg, aim for at least 29 mL/hr of urine. Output consistently below this warrants clinical evaluation for dehydration, hemodynamic instability, or acute kidney injury.
For 24 hrs what is the maximum output is permissible
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maximum normal urine output 24 hours adult polyuria threshold mL/kg
Maximum Permissible Urine Output in 24 Hours (58 kg)
The Calculation
| Rate | Formula | 58 kg over 24 hrs |
|---|---|---|
| Upper normal | 1.5 mL/kg/hr | 1.5 × 58 × 24 = 2,088 mL/day |
| Polyuria threshold | > 2,500 mL/day (fixed adult cutoff) | - |
So for a 58 kg adult, the upper limit of normal is approximately 2,088 mL/day.
Full Urine Output Spectrum
| Category | Volume/Day | For 58 kg |
|---|---|---|
| Anuria | < 50 mL/day | < 50 mL |
| Oliguria | < 400-500 mL/day | < 400 mL |
| Normal (low end) | ~800 mL/day | ~696 mL (0.5 mL/kg/hr) |
| Normal (average) | ~1,500 mL/day | ~1,500 mL |
| Normal (upper end) | ~2,000-2,100 mL/day | ~2,088 mL (1.5 mL/kg/hr) |
| Polyuria | > 2,500 mL/day | > 2,500 mL |
Key Points
- ~2,088 mL/day is the weight-based upper normal limit for you (1.5 mL/kg/hr × 58 kg × 24 hr)
- The fixed clinical cutoff for polyuria is > 2,500 mL/day regardless of body weight, as per standard references including the NCBI StatPearls on urine output
- Output between ~2,100 and 2,500 mL/day is a borderline zone - not alarming, but worth monitoring if persistent
- True polyuria (> 2,500 mL/day) warrants investigation for causes like diabetes insipidus, uncontrolled diabetes mellitus, primary polydipsia, or diuretic use
Simple summary: Stay between 29 mL/hr (minimum) and ~87 mL/hr (maximum), or roughly 700 - 2,100 mL over 24 hours for your body weight.
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