title: What is the double shadow in the chest?
authors.affiliation: Department of Anesthesiology, Indraprastha Apollo Hospitals, New Delhi, India.
authors.forename: Rajnish
authors.initials: R
authors.lastname: Kumar
authors.forename: Reeti
authors.initials: R
authors.lastname: Sahni
authors.forename: Yatin
authors.initials: Y
authors.lastname: Mehta
authors.forename: Naresh
authors.initials: N
authors.lastname: Trehan
mesh_terms: D016477:Artifacts; D002407:Catheterization, Swan-Ganz / Q000295:instrumentation*; D003937:Diagnosis, Differential; D006321:Heart / Q000000981:diagnostic imaging* / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D011651:Pulmonary Artery / Q000000981:diagnostic imaging*; D011859:Radiography