TTR and hypertrophic cardiomyopathy: AI deployed to single-view POCUS videos successfully discriminated hypertrophic cardiomyopathy (eg, area under the receiver operating characteristic curve 0·903 [95% CI 0·795–0·981] in YNHHS; 0·890 [0·839–0·938] in MSHS for apical-4-chamber acquisitions) and transthyretin amyloid cardiomyopathy (0·907 [0·874–0·932] in YNHHS; 0·972 [0·959–0·983] in MSHS for parasternal acquisitions).