Application of Intermittent Training in Radial Artery Puncture and Catheterization Skills Under Ultrasound-Guided Line Guidance

Inclusion and Exclusion Criteria for Study Participants (Resident Trainees) I. Inclusion Criteria Identity and Qualifications: Resident physicians undergoing standardized training in this department. Training Stage: Resident physicians who have not yet independently performed ultrasound-guided radial artery puncture and catheterization procedures. Willingness to Learn: Voluntary participation in this "Ultrasound-Guided Radial Artery Catheterization" training program with full understanding of the research content. Informed Consent: Have signed a written informed consent form agreeing to participate in this study and comply with protocol requirements. Basic Requirements: Possess good hand-eye coordination and learning ability, capable of cooperating to complete the entire training course and data collection. II. Exclusion Criteria Prior Experience: Residents who have previously independently completed more than 5 cases or have systematically studied ultrasound-guided radial artery puncture and catheterization techniques. Skill Level: Residents who achieved a high pre-test performance score or demonstrated consistent success in performing ultrasound-guided radial artery catheterization prior to the study. Cognitive or Motor Impairment: Residents with severe cognitive dysfunction, motor impairment, or a history of psychiatric disorders that may compromise training efficacy assessment. Time Commitment and Compliance: Individuals unable to guarantee completion of the presc…