article_snippet.sent: With groceries in hand, Erika's boyfriend, Sean Coakley, had arrived at Karen Langhart apartment to make dinner and found Erika collapsed on the floor.
article_snippet.sent: [The paramedics] tried to revive Erika with CPR and while they were in her apartment, I think Erika had a heart attack and then two more on the way to the hospital in the ambulance, and another one in the hospital, and Erika never woke up," Erika's father, Rick Langhart, said.
article_snippet.sent: By the time " Karen Langhart and Erika arrived at the Virginia Hospital Center, Erika was in a coma, in the ICU.
article_snippet.sent: Rick and Karen had determined that Erika had no brain activity and that because of Erika heart attacks Rick and Karen basically told us that Erika was brain dead and that's it," " Karen Langhart said, fighting back tears.
article_snippet.sent: Records confirm what Erika's parents told CNN: that a blood clot started in an artery/vein in Erika right thigh and traveled to Erika lungs, causing "massive" pulmonary embolisms and "multiple episodes of cardiac arrest" on the way to the hospital and overnight.