BioConst生物常量

Research reference only. BioConst updates and corrects content over time, but it cannot replace clinician-guided diagnosis, treatment, medication, or testing decisions.

Kidney

Kidney

Kidney pages explain filtration, urine signals, and fluid-balance variables without interpreting personal lab results.

Medical Wiki

Filtration, albumin, and fluid balance

Fluid, electrolytes, and acid-base context

Conditions where kidney control of water, salts, and blood chemistry affects the clinical picture.

Kidney failure and replacement-therapyKidney failure and replacement-therapy contextKidney failure is the point where kidney function is no longer enough and dialysis or transplant context may enter care.
Dialysis and transplant contextEstimated glomerular filtration rate (eGFR)Kidney electrolyte balanceKidney fluid balanceSerum creatinineBlood urea nitrogen (BUN)

Filtration and waste clearance

Conditions where kidney filtration, creatinine, eGFR, or urea handling becomes central.

CKDChronic kidney disease and filtration lossCKD is a long-term kidney-damage context where GFR and urine albumin are central signals.
Estimated glomerular filtration rate (eGFR)Serum creatinineUrine albumin-to-creatinine ratio (UACR)AlbuminuriaVascular risk and brain healthKidney electrolyte balance

Urine protein and glomerular barrier

Conditions where albumin leakage signals kidney barrier damage or microvascular context.

Albuminuria and glomerular barrier leakAlbuminuria and glomerular barrier leakAlbumin in urine can signal kidney barrier damage and needs repeat, context-aware interpretation.
AlbuminuriaUrine albumin-to-creatinine ratio (UACR)Glomerular filtration barrierSerum creatinine
diabetic kidney diseaseDiabetic kidney disease and microvascular contextDiabetes can damage kidney blood vessels; albumin and eGFR help frame kidney-risk context.
Diabetes kidney-risk contextAlbuminuriaUrine albumin-to-creatinine ratio (UACR)Estimated glomerular filtration rate (eGFR)Vascular risk and brain health

Acute injury, stones, and failure context

Acute injury and sudden function loss

Conditions where kidney function changes quickly and needs clinical time-course interpretation.

AKIAcute kidney injury and sudden function lossAKI is a sudden kidney-function change where time course, creatinine, urine output, and context matter.
Acute kidney injury contextSerum creatinineBlood urea nitrogen (BUN)Kidney fluid balanceKidney electrolyte balance

Stones, obstruction, and urine flow

Conditions where crystals or obstruction disrupt urine flow and kidney pressure context.

Kidney stones and urine-flow obstructionKidney stones and urine-flow obstructionKidney stones are mineral deposits that can block urine flow and change pain, infection, and kidney-pressure context.
Kidney-stone crystal contextUrinary obstructionKidney imaging and urine flowKidney fluid balance