case_images: PMC6635985_01
case_images: Still images from patient's transthoracic echocardiogram showing (
  a) no early shunting with saline bubble (identified by yellow arrows) injection, followed by (
  b) late passage of bubbles (identified by red arrows) into the Left Atrium and Ventricle representing Intrapulmonary Shunting.
case_images: f1000research-7-21081-g0000.jpg
case_images: PMC6635985_01_f1000research-7-21081-g0000.jpg
case_images: f1
case_images: A transthoracic echocardiogram with bubble study was then performed which suggested an intrapulmonary shunt (see Figure 1), thereby confirming the diagnosis of HPS.