Fig. 3

Subjective learning success of the ultrasound teaching videos. The questionnaire’s results for subjective learning success (knowledge expansion, questions 1, 5 and 6 of the questionnaire and practical use, questions 8, 21 and 22 of the questionnaire) are shown according to the response rating scale 1 (does fully apply) to 4 (does not apply) for the abdominal ultrasound video (Panel A) and transthoracic echocardiography video (Panel B). The positive ratings (summarized ratings 1 and 2) are outlined in the diagram as percentage of the completed questionnaires (29 for the transthoracic echocardiography and 27 for the abdominal ultrasound video)