The management of complications in the cardiac catheterization laboratory systematically prepared for the prospective interventional cardiologist and already existing "heart teams".  patient careRisk stratification, patient preparationLegally compliant clarification and documentationAftercare of the patient Procedural complicationsPuncture site relatedFor wire placement, catheter placementPTCA associated, stent associatedDrug and mechanical thrombus management Periprocedural complicationsHemodynamic management, cardiogenic shock and use of support systemsAirway ManagementConscious sedation in the cath labContrast allergy and contrast induced nephropathyCPR in the cath lab Error management Teamwork Error culture. What can we learn from aviationConcrete training recommendations, simulation trainings Guideline-based therapy and training according toEuropean Society of CardiologyGerman Society for CardiologyRecommendations of the Simulation Working Group of the DGK and the AGIK