translation: About an hour after she had arrived home, after I'd sent her home, she collapsed and her family called 911 and the paramedics brought her back to the emergency department where she had a blood pressure of 50, which is in severe shock.
translation: Al cabo de una hora de haber llegado a su casa, después de que yo le diera el alta, sufrió un colapso y su familia llamó al 911; los paramédicos la trajeron a emergencias con una presión arterial de 50 mm de Hg, lo que significa un shock severo.