PALS Megacode Scenario SimulationsPut your PALS skills to the test with these timed megacode scenarios. Good luck! 1Tachycardia Begin Megacode 1 2Bradycardia Begin Megacode 2 3V - Fib Begin Megacode 3 4Ventricular Tachycardia Begin Megacode 4 5Complex Tachycardias Begin Megacode 5 6Respiratory Distress Begin Megacode 6 ACLS Megacodes. Try our ACLS Megacodes