Fig. 3From: Pulmonary arterial response to Angiostrongylus vasorum in naturally infected dogs: echocardiographic findings in two casesEchocardiographic images during saline contrast test performed in case 1 eight months after presentation (T1). a The passage of saline contrast microbubbles in the right ventricle. b The absence of saline contrast microbubbles in the left heart, ruling out the presence of intrapulmonary arteriovenous anastomosis at T1Back to article page