title: Early ultrasonographic detection of massive pulmonary embolism.
authors.affiliation: Department of Emergency, Fundacion Vall del Lili, Cali, Colombia E-mail: samikka2004@yahoo.com.
authors.forename: Sandra Milena
authors.initials: SM
authors.lastname: Carvajal
authors.affiliation: Department of Anesthesiology, Fundacion Vall del Lili, Cali, Colombia.
authors.forename: Fredy
authors.initials: F
authors.lastname: Ariza
authors.affiliation: Salamandra International Organization for Knowledge Management, Cali, Colombia.
authors.forename: David Andrés
authors.initials: DA
authors.lastname: De Paz
authors.affiliation: Department of Anesthesiology, Fundacion Vall del Lili, Cali, Colombia.
authors.forename: Dario Alberto
authors.initials: DA
authors.lastname: Castaño