Fig. 1From: Improved efficiency and diagnostic utility of inpatient transthoracic echocardiography following implementation of a sonographer-initiated perflutren-based contrast administration protocolTotal Time to Complete Study. Contrast enhanced echocardiograms required 49.6 min using a nurse administered contrast protocol compared to 37.5 min using a sonographer driven protocol, (P < 0.0001)Back to article page