Malignant Ventricular Arrhythmias During Surgical Procedures for Pacemaker Generator Replacement: Description of Two Cases Arritmias ventriculares malignas durante cirugı́as de recambio de generador de marcapasos: descripción de dos casos

After training, both the students and residents in the SAM group showed a significant improvement in the percentage of correct responses, unlike the participants assigned to the control group. The rate of correct identification by the students in this group increased from 27% to 38% (P=.2), whereas the students in the SAM group improved from 25% to 70% (P<.005). The residents in the control group improved from 40% to 47% (P=.4); in contrast, the residents in the SAM group improved from 33% to 78% (P<.005). The Table shows the changes in the percentages of correct diagnoses based on specific sounds after training in the SAM group. Recognition of the 8 sounds analyzed significantly improved. Correct interpretation of heart sounds is a skill that requires Heart sound Baseline, n (%) Final, n (%) Improvement, % P