Case Presentation: 1 year old otherwise healthy twins present to the ED after Twin A became acutely unresponsive. The twins had been ill with a GI virus with fever, vomiting, and decreased activity for a week. The night of presentation, Twin A started vomiting, developed perioral cyanosis, and became unresponsive. On arrival to the ED, [...]

Case Presentation: A 16 y/o male presented with an acute onset of palpitations, generalized chest pain, and rash (Figure 1). In light of recent camping exposure and targetoid lesions compatible with erythema chronicum migrans (ECM), Lyme disease was suspected. An EKG demonstrated 1st degree AV block with a PR interval of 384 msec. Echocardiogram and [...]