Original articles Reliability of new and old Doppler echocardiographic indexes of the severity of aortic stenosis in patients with a low cardiac output

Claudio Burelli; Daniela Pavan; Eugenio Cervesato; Fabio Zardo; Francesco Antonini-Canterin; Franco Macor; Gian Luigi Nicolosi; Guoqian Huang; Matteo Cassin; Pompilio Faggiano; Rita Piazza

Original articles Reliability of new and old Doppler echocardiographic indexes of the severity of aortic stenosis in patients with a low cardiac output