title: Commentary.
authors.affiliation: Mayo Clinic Cardiovascular Ultrasound Imaging and Hemodynamic Laboratory, Division of Cardiovascular Medicine, Mayo Clinic, Rochester, MN;
authors.forename: Sahar S
authors.initials: SS
authors.lastname: Abdelmoneim
authors.forename: Sunil
authors.initials: S
authors.lastname: Mankad
authors.forename: Sharon L
authors.initials: SL
authors.lastname: Mulvagh
mesh_terms: D000779:Anesthetics, Local / Q000009:adverse effects*; D001566:Benzocaine / Q000009:adverse effects*; D003490:Cyanosis / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008708:Methemoglobinemia / Q000175:diagnosis*
chemical_list: D000779:Anesthetics, Local; D001566:Benzocaine