Efficacy and safety of Intracoroanry imaging-Guided PCI comparison with angiography-guided PCI in complex coronary intervention is being well established based on severel clinical trials including : IRIS-DES (JACC 2020) IVUS-XPL & Ultimate (JACC 2022) & RENOVATE-COMPLEX PCI (NEJM 2023) here is practical slides regarding IC-guided measurements could be useful for all colleagues I am so pleased to hear amazing news from ESC congress 2023 regarding Superiority of IVI-Guided PCI comparison to Angio-Guided PCI based on Meta-analysis