By convention, peripheral IV catheters are sized in gauge, and central venous catheters (CVCs) are sized in French. This table compares French sizing to gauges for catheters with flow rates. Comparing French Sizing to Gauges with flow rates Poiseuille’s Law for IV Flow Rates Catheter sizes are critical if you are trying to rapidly transfuse… Continue reading Comparing French Sizing to Gauge for IVs and Central Venous Catheters