Acute pulmonary edema
Sudden progressive difficulty in ventilation.
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Support lines and tubes are well positioned.
Diffuse perihilar air space opacification (bat wing edema) and septal lines (Kerley A, B and C lines) indicate acute pulmonary edema.
Classic example of the lines (A to C) Kerley described in pulmonary edema. Kerley D lines are diagnosed on a lateral radiograph. All of these lines are now termed septal lines.
Not a bad example of bat wing edema either!
Case courtesy of Dr Nivene Saad.