During a regular check-up of an 8-year-old girl, you note a loud first heart sound with a fixed and widely split second heart sound at the upper left sternal border that does not change with respirations. The patient is otherwise healthy and active. Which of the following heart lesions most likely explains these findings?
Read DetailsEight-year-old Elena who has cystic fibrosis comes to the ER with a persistent cough and fever. Her physical exam reveals diffuse crackles throughout her lower bases. Her chest x-ray reveals scattered perihilar infiltrates. Which one of the following organisms is most likely the cause of her pneumonia?
Read DetailsAn adolescent with type I diabetes returns for a follow-up visit after his annual check-up last week. You note that his serum glucose is elevated and his glycosylated hemoglobin (hemoglobin A1C) is 16.7%. This finding suggests poor control of his diabetes over at least which of the following time periods?
Read DetailsAn 8-year-old with moderate persistent asthma presents to the ER with a daily cough. She reports that three times a day she uses a short-acting inhaled beta-2 agonist and twice daily she uses an inhaled corticosteroid, cromolyn sodium. Your management plan should include:
Read DetailsThe parents of a 2-month-old baby boy are concerned about his risk of coronary artery disease because of the recent death of his 40-year-old maternal uncle from a myocardial infarction. Which of the following is the most appropriate management in this situation?
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