title: Why is the QT interval measurement so critical when evaluating an ECG rhythm?
authors.affiliation: University of California San Francisco Medical Center, San Francisco, CA 94341-0210, USA.
authors.forename: Christine
authors.initials: C
authors.lastname: Thompson
authors.forename: Angela
authors.initials: A
authors.lastname: Tsiperfal
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D004562:Electrocardiography / Q000379:methods; D015738:Famotidine / Q000009:adverse effects; D006329:Heart Conduction System; D006635:Histamine H2 Antagonists / Q000009:adverse effects; D006801:Humans; D008133:Long QT Syndrome / Q000139:chemically induced / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy; D008278:Magnesium Sulfate / Q000627:therapeutic use; D008297:Male; D009730:Nursing Assessment; D016171:Torsades de Pointes / Q000150:complications / Q000175:diagnosis
chemical_list: D006635:Histamine H2 Antagonists; D015738:Famotidine; D008278:Magnesium Sulfate