The pre-bypass checklist ensures that the bypass machine is properly prepared by verifying that the power supply is secure, backup power and equipment are available, patient data is entered, the oxygenator and water lines are correctly installed and functioning, the gas supply and pump systems are primed and operational, and necessary supplies and components are on hand.

1. PRE-BYPASS CHECK LIST

2. • Power cable secure.
• Backup power available.
• Hand cranks available.
• Backup light source available .
• Patient data entered.
• Oxygenator perfectly place on holder and secure.
• Water lines connected.
• Water heater-cooler operable and warming.
• Oxygenator checked for leaks (before priming).
• Remove the vent cap.

3. • Gas supply operational and blenders working.
• Gas line connected and not leaking and
obstructed.
• Pump circuit tubing secure without kinks.
• Luer connection tight.
• Suckers and vent (sump) in proper direction.
• Occlusion set on roller pump.
• Arterial filter primed.
• Cardioplegia system primed and at proper temp.
• Cardioplegic solutions is ready.

4. • Pressure line is de-airing .
• Pressure transducers calibrated.
• Level sensor operable.
• Bubble detector operable.
• Temp probes connected.
• Supply and backup components available.
• Tubing clamps available.