title: A young woman with shortness of breath.
authors.affiliation: Department of Medicine - Division of Cardiology, University of Toronto, University Health Network, Toronto, ON, Canada.
authors.forename: Yasbanoo
authors.initials: Y
authors.lastname: Moayedi
authors.affiliation: Department of Medicine - Division of Cardiology, University of Toronto, University Health Network, Toronto, ON, Canada eric.horlick@uhn.ca.
authors.forename: Eric
authors.initials: E
authors.lastname: Horlick