Situations of mistreatment in the academic environment are prevalent worldwide, but research in this area is scarce in middle-low-income countries. This study aimed to estimate the prevalence of mistreatment inflicted against Brazilian medical students. In addition, characterize these situations and analyze their consequences. Cross-sectional study conducted with 831 medical students from public and private institutions. Absolute and relative frequencies of the analyzed variables and possible associations were determined through univariate and multivariate logistic regression. Chi-square test of association with second-order Rao-Scott adjustment was also used. The response rate was 56%. Public institution pointed to a higher prevalence of mistreatment when compared to private (59% versus 43%). Female students were the most affected. Verbal and psychological aggression was more prevalent. The aggressor usually was a faculty member. Mistreatment incidence increased over the years of training, with higher rates in the internship. About 94% of the students felt affected in anyway, with 77% feeling diminished and depressed. More than 50% reported impaired academic performance. Almost 30% sought help from experts. The reporting rate was extremely low. Adequate identification of the situations by the victims, safe reporting mechanisms and, an educational system capable of maintaining an appropriate learning environment are essential to break this destructive cycle.

Out-of-hospital cardiac arrests (OHCAs) have high mortality rates, worsened by limited access to automated external defibrillators (AEDs). This study analyzed OHCA response times, identified areas with prolonged ambulance travel times, and proposed optimal AED locations in a medium-sized city in southern Brazil. Data from 278 non-traumatic OHCA cases (2019–2022) in patients over 18 years old, with ambulance response times under 20 min, were included. Spatial survival analysis assessed the probability of exceeding the recommended 5-min (300 s) ambulance response time. The maximal covering location problem identified 100 strategic AED sites within a 150-s reach for bystanders. AED and ambulance travel times were compared using the Wilcoxon test (p < 0.01). Defibrillation occurred in 89 cases (31.01%), and bystander CPR was performed in 149 cases (51.92%). Despite these efforts, 77% of patients died. The median ambulance response time was 11.63 min, exceeding 5 min in most cases, particularly at peak times like 11 a.m. AED placement in selected locations could cover 76% of OHCA occurrences, with a mean AED travel time of 320 s compared to 709 s for ambulances. Strategic AED placement could enhance early defibrillation and improve survival outcomes.