Cognitive load theory as a framework for simulation-based, ultrasound-guided internal jugular catheterization training: Once is not enough.

CLINICIAN'S CAPSULEWhat is known about the topic?Cognitive load theory can be used to guide simulation-based training for procedural skills.What did this study ask?How can cognitive load theory be used to overcome the challenges of learning ultrasound-guided internal jugular catheterization?What did this study find?All trainees approached or exceeded expert benchmarks, with evidence of retention over time.Why does this study matter to clinicians?This curriculum may better prepare trainees for performing this important procedure in the clinical setting.