The management of complications in the cardiac catheterization laboratory systematically prepared for the prospective interventional cardiologist and already existing "heart teams". patient care Risk stratification, patient preparation Legally compliant clarification and documentation Aftercare of the patient Procedural complications Puncture site related For wire placement, catheter placement PTCA associated, stent associated Drug and mechanical thrombus management Periprocedural complications Hemodynamic management, cardiogenic shock and use of support systems Airway Management Conscious sedation in the cath lab Contrast allergy and contrast induced nephropathy CPR in the cath lab Error management TeamworkError culture. What can we learn from aviation Concrete training recommendations, simulation trainings Guideline-based therapy and training according to European Society of Cardiology German Society for Cardiology Recommendations of the Simulation Working Group of the DGK and the AGIK