Bedside lung ultrasonography by emergency department residents as an aid for identifying heart failure in patients with acute dyspnea after a 2-h training course oleh Mohamed Amine Msolli, Adel Sekma, Maryem Ben Marzouk, Wael Chaabane, Khaoula Bel Haj Ali, Lotfi Boukadida, Nasri Bzeouich, Imen Gannoun, Imen Trabelssi, Kamel Laaouiti, Mohamed Habib Grissa, Kaouthar Beltaief, Zohra Dridi, Asma Belguith, Mehdi Methamem, Wahid Bouida, Riadh Boukef, Hamdi Boubaker, Semir Nouira, the GREAT Network