The death of a first grade student at Jackson Elementary School earlier this week was due to coronary artery anomaly -- essentially a congenital heart defect, the Medical Examiner's office said Friday.
Sebastian Gerena, 7, died Wednesday afternoon at Children's Hospital of Philadelphia after becoming sick at the school, which did not have a nurse on duty at the time.
The condition, which is also referred to as anomalous coronary artery (ACA), is present at birth and often not diagnosed until late adolescence or adulthood because of the lack of symptoms or because symptoms may not be recognized as being caused by ACA, according to an article from Children's Hospital of Philadelphia. Those with undiagnosed ACA may have an initial episode of chest pain, heart failure, or even sudden cardiac death before the condition is recognized.
Experts say the condition occurs in about 1 to 2 percent of the general population.