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Peripheral venous cannulation is basic and very common clinical procedure routinely required procedure in hospital settings. Size of the cannula varies with its color code.
Size (Gauge) | Color | Flow rate (ml/min) | Uses |
14 | Brown | 300 | Large bore access for rapid volume replacement. |
16 | Grey | 200 | Large bore access for rapid volume replacement. |
17 | White | 140 | Large bore access for rapid volume replacement. |
18 | Green | 90 | Routine IV fluids and medications. |
20 | Pink | 61 | Routine IV fluids and medications. |
22 | Blue | 36 | Patients with small veins, pediatrics. |
24 | Yellow | 20 | Pediatrics. |
26 | Purple | 14 | Pediatrics. |
Parts
Uses:
- Intravenous fluids administration.
- Intravenous medications.
- Intravenous fluid correction.
- Blood transfusion.
Contraindications:
- Patient denial/ lack of consent.
- Cellulitis over the area of insertion.
- Superficial or deep venous thrombosis.
- Ipsilateral arterio-venous fistula.
Complications:
- Failed cannulation.
- Cellulitis.
- Thrombophlebitis.
- Air embolism.