article_snippet.sent: Erika knew it was serious when the emergency room doctor said they needed to come to the hospital in Arlington, Virginia.  
article_snippet.sent: Erika said the emergency room doctor asked Erika whether Erika was using any birth control.
article_snippet.sent: According to Erika, when Erika told the emergency room doctor Erika was using the NuvaRing, .
article_snippet.sent: the emergency room doctor said well there's a link between NuvaRing and pulmonary embolisms," Karen Langhart said.
article_snippet.sent: Hospital records cited the NuvaRing as a risk factor for Erika's multiple pulmonary embolisms.
article_snippet.sent: After seeing five doctors who were unable to tell a classmate of Erika Langhart's at American University what was wrong, a classmate of Erika Langhart's at American University finally got a diagnosis from a pulmonologist.