AI-PPG for pre-screening of reduced left ventricular ejection fraction: development and prospective external validation Mikołaj Basza¹ Mateusz Soliński² Damian Kucharski³ D. Waląg Cezary Maciejewski¹ Weronika Kowalczyk¹ Arkadiusz Czerwiński³ Agata M. Wijata Jakub Nalepa³ Łukasz Kołtowski¹ Marcin Grabowski¹ · 0 citations Semantic Scholar Save View source Cite Copy APA Copied ✓ Copy MLA Copied ✓ Copy BibTeX Copied ✓ Share