A 10-year-old female was brought to the pediatric clinic by…
A 10-year-old female was brought to the pediatric clinic by her parents with complaints of facial swelling, decreased urine output, and tea-colored urine for the past week. They also mentioned that the child had a sore throat and fever approximately two weeks prior and was prescribed amoxicillin; however, she vomited and broke out in hives after taking the medication and did not complete the antibiotic course. She missed one week of school, but recovered. Otherwise, she is normally in good health. Physical examination reveals facial edema and hypertension. Laboratory Results: Urinalysis:• Protein: 2+ • Red Blood Cells: Numerous• White Blood Cells: 1+• Red blood cell casts 1+ Serum Biochemistry:• Serum Creatinine: 1.4 mg/dL• Blood Urea Nitrogen (BUN): 25 mg/dL• Serum Albumin: 3.0 g/dL (decreased) Throat culture: negative Which of the following is the most likely cause of the patient’s current illness?
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