Kidney Health Glossary

Patient Education

Kidney Health Glossary

Plain-language explanations for medical terms used across this site. Click any term to read more on the related page.

✓ Medically Reviewed by Prof. (Dr.) Debabrata Mukherjee, MD, DM Nephrology — Last reviewed: 24 August 2026

Kidney Disease & Conditions

Dialysis & Vascular Access

  • Dialysis — A treatment that filters waste and excess fluid from the blood when the kidneys can’t.
  • Hemodialysis — Dialysis done by circulating blood through an external machine to clean it.
  • Peritoneal Dialysis (CAPD) — A form of dialysis done at home using the lining of the abdomen as a natural filter.
  • Online Hemodiafiltration (HDF) — An advanced form of dialysis combining two filtering methods.
  • CRRT — A slow, continuous form of dialysis used for critically ill ICU patients.
  • SLED — A gentler, extended dialysis session often used in ICU settings.
  • SCUF — A dialysis-related technique used mainly to remove excess fluid.
  • Dialysis Catheter — A tube inserted into a vein to allow blood access for dialysis.
  • Tunneled Catheter / Permcath — A longer-term dialysis catheter placed under the skin.
  • IJV & Femoral Lines — Emergency catheter access placed in the neck or groin vein.
  • AV Fistula — A surgically created connection between an artery and vein for long-term dialysis access.
  • AV Fistula Complications — Risks such as clotting, narrowing, infection, or aneurysm affecting a fistula.
  • Access for Dialysis — The general term for connecting to a dialysis machine — fistula, graft, or catheter.
  • Peritonitis — An infection of the abdominal lining, a risk for peritoneal dialysis patients.
  • Ultrafiltration — The removal of excess fluid from the blood, naturally or during dialysis.

Kidney Transplant

Diagnostics & Procedures

  • Serum Creatinine — A blood test marker used to measure how well the kidneys are filtering waste.
  • Kidney Biopsy (USG-Guided) — A procedure using ultrasound guidance to take a small kidney tissue sample.
  • Diagnostic Renal Angiography / Angioplasty — An imaging procedure to examine and open narrowed blood vessels supplying the kidney.
  • ECG (Electrocardiogram) — A test recording the heart’s electrical activity, used to detect hyperkalemia-related changes.
  • eGFR — A calculated score, from a blood test, showing how well the kidneys are filtering waste.

This glossary is for general patient understanding and educational purposes only — it is not a substitute for advice from your doctor. Always consult Prof. (Dr.) Debabrata Mukherjee or your treating physician about your specific condition.