*Article* **Emergency Medical Teams Interventions due to Cardiovascular Diseases in 2018: Polish Regional Observational Study**

**Klaudiusz Nadolny 1,2, Magdalena Wierzbik-Stro ´nska 1,\*, Jerzy R. Ładny 3, Beniamin O. Grabarek 4,5, Oliwia Warmusz 1, Dariusz Boro ´n 4,5 and Aleksander Ostenda <sup>1</sup>**


**Abstract:** *Background and objectives:* The goal of this work was to assess the interventions for cardiovascular causes (ICD-10: I) and analyze the time between the request for intervention and the arrival of the Medical Emergency Team realized by the Voivodeship Rescue Service in Katowice in the period between 1 January 2018 to 31 December 2018. *Materials and Methods:* Analysis of the characteristics of the interventions was completed based on the information contained on the dispatch order cards and medical emergency services. Statistical analysis was done using the Chi-square test (*p* < 0.05). *Results:* Out of 211,548 cases, 26,672 were associated with cardiovascular diseases. It can be observed that the large majority of interventions took place in urban areas (89.98%; 23,998 cases), whereas only 11.02% took place in rural areas (2674 cases). The most common cause for medical interventions being made by the Medical Emergency Team was primary hypertension—11,649 cases. The average arrival time to urban areas was 9 min and 12 s ± 3 min and 54 s, whereas for rural areas it was 11 min and 57 s ± 4 min and 32 s (*p* < 0.05). *Conclusions:* It can be observed that the Medical Emergency System in Katowice operates accordingly with the intentions of the legislator. The obtained data also indicates that there is a high societal awareness of the residents about the purpose of the Medical Emergency Team.

**Keywords:** Silesian Voivodeship; gold hour; cardiovascular diseases; Medical Emergency Team
