Sangita Saha/LinkedIn
Sep 2, 2026, 14:36
Sangita Saha: Hemolysis in Hemodialysis – Causes, Prevention, Patient Safety
Sangita Saha, Dialysis Technician at SNR Carnival Hospital, shared a post on LinkedIn:
“Hemolysis During Hemodialysis: A Critical Complication Every Dialysis Professional Should Recognize
Hemolysis is the rupture of red blood cells, causing hemoglobin to be released into the plasma.
During hemodialysis, it can become a serious patient-safety concern and requires early recognition and immediate action.
Common causes may include:
- Excessive blood flow or negative pressure.
- Kinked or obstructed blood lines.
- Improper needle placement or small-gauge needles.
- Dialysate contamination or abnormal dialysate conditions.
- Excessive mechanical stress on the blood circuit.
Warning signs:
- Pink or red discoloration of the dialysate.
- Dark or abnormal-looking blood.
- Back or chest pain.
- Dyspnea.
- Hypotension.
Prevention starts with attention to detail:
- Check the extracorporeal circuit carefully.
- Monitor pressures and blood-flow parameters.
- Ensure proper needle placement and adequate access flow.
- Verify dialysate quality and machine parameters.
- Act promptly when something appears abnormal.
Key takeaway:
- In dialysis, recognizing an abnormal change early can make a significant difference in patient safety.
As dialysis professionals, continuous learning and vigilance are essential.”

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