A 2 year old female is brought to the ED after experiencing…

A 2 year old female is brought to the ED after experiencing her second febrile seizure. These isolated episodes were 4 months apart and described as generalized tightening of the body followed by jerking involving all four extremities and lasting 3 to 5 minutes each time. The child was noted to have a fever of > 38.8 C on both occasions. At this time, you recommendations would be:  

You are examining a term female neonate who was born after a…

You are examining a term female neonate who was born after an uneventful pregnancy to a 31 year old, gravida 2 para 1 mother by normal spontaneous vaginal delivery. On examination, the infant weighs 2.56kg and has mild diffuse hypotonia. He also has slightly short fingers and toes, simian creases, flat facial profile, upslanting palpebral fissures, and small ears. Of the following, the most likely diagnosis is:

Two weeks after undergoing surgical closure of an atrial sep…

Two weeks after undergoing surgical closure of an atrial septal defect, a 2 year old male presents with several days of irritability and anorexia. On physical exam, he is pale and mildly tachypneic. His pulses are weak and irregular. The auscultated heart rate is regular at 160 bpm. The most likely diagnosis is: