12-year-old girl - cd45 - Printable Version +- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com) +-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1) +--- Forum: Step 2 CK (https://www.usmleforum.com/forumdisplay.php?fid=3) +--- Thread: 12-year-old girl - cd45 (/showthread.php?tid=178004) |
12-year-old girl - cd45 - ArchivalUser - 04-11-2007 presents with history of recurrent pneumonia, otitis media, and sinusitis. She has had bilateral perforated tympanic membranes and mild hearing loss. Chest radiograph reveals bronchiectasis at the left lower and right middle lobes and infiltration at right lower and upper lobes. Total serum IgG, IgA, and IgM levels are normal. Her immunizations are current. Which of the following laboratory tests is the most appropriate next step in this patientâ„¢s evaluation? Total complement (CH50) and C3 and C4 levels HIV serology IgG subclass levels Serum antibodies to tetanus toxoid and pneumococcal antigens CD4/CD8 ratio 0 - ArchivalUser - 04-11-2007 a.....? 0 - ArchivalUser - 04-11-2007 AaA 0 - ArchivalUser - 04-11-2007 A.. 0 - ArchivalUser - 04-11-2007 AA 0 - ArchivalUser - 04-11-2007 Total complement (CH50) and C3 and C4 levels 0 - ArchivalUser - 04-11-2007 why????? 0 - ArchivalUser - 04-12-2007 C...she is having problem to combat encapsulated organism |