Tools and resources Tools to help you put the guidance into practice. Resource impact Resource impact template Excel 1.02 MB 31 July 2024 Resource impact summary report Case studies Laboratory-based CYP2C19 genotype testing to optimise the effectiveness of antiplatelet therapy for patients experiencing acute ischaemic stroke or transient ischaemic attack Guidance into practice About the Into practice guide Practical steps to improving the quality of care and services using NICE guidance