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Background and Purpose: Thrombolytic therapy is a key link in the stroke chain of survival. Data suggests that four components are vital in decreasing door to thrombolytic administration in acute stroke patients eligible for treatment. Analysis of system data, pre and post implementation of a Door to Needle Project, afforded the opportunity to assess. Hypothesis: We assessed the hypothesis that commitment, collaboration, communication, and consistency (referred to as Four C’s) are vital in improving door to thrombolytic administration time in ischemic stroke patients. Methods: In this quantitative study, we utilized case data collected by a quality improvement team serving five emergency departments within a healthcare system. We retrospectively reviewed times of thrombolytic administration from admission to the emergency department in acute ischemic stroke patients. Cases were included based on eligibility criteria from American Heart Association’s Get With the Guidelines. Times from 2019 were compared with times through April 2020, before and after implementation of the project, which had multidisciplinary process interventions that reinforced the Four C’s. Results: The data revealed a 13.5 % reduction in median administration time. Cases assessed from 2019 had a median time of 52 minutes from door to thrombolytic administration, 95% CI [47.0, 59.0], n = 52. Cases assessed through April 2020 had a median time of 45 minutes from door to thrombolytic administration, 95% CI [39.0, 57.5], n = 18. Comparing cases through April 2020 to those of 2019, there were improvements of 38.1% fewer cases for administration in greater than 60 minutes and 27.8% fewer cases for administration in greater than 45 minutes. Conclusion: The hypothesis that Four C’s are vital in improving door to thrombolytic administration was validated by a decrease in median administration time as well as a reduction in cases exceeding targeted administration times. The impact to clinical outcomes is significant as improving administration time directly impacts the amount of tissue saved. Ongoing initiatives encompassing the Four C’s, within a Cerebrovascular System of Care, are essential in optimizing outcomes in acute stroke patients.