pharm Q - boggart - 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: pharm Q - boggart (/showthread.php?tid=141206) |
pharm Q - boggart - ArchivalUser - 11-25-2006 A 24yo woman who takes antihistamine (terfenadine) for recurrent urticaria collapses suddenly in the hospital concourse. The resuscitation team notes polymorphic VT (torsade de pointes). A drug-induced arrhythmia is suspected. Which of the following is most likely to have caused the interaction with the terfenadine? A- combined OCP B- grapefruit juice C-ibuprofen D-acetoaminophen E-st john's wort 0 - ArchivalUser - 11-25-2006 b or e??b 0 - ArchivalUser - 11-28-2006 tough one 0 - ArchivalUser - 11-28-2006 B- grapefruit juice?? is grapefruit juice P450 inducer or inhibitor? 0 - ArchivalUser - 11-28-2006 B- grapefruit juice----inhibit cythcrome p450 --inc level terfenadine---torsad |