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A 35-year-old woman is brought to the emergency department by ambulance after collapsing at home. Earlier in the day, her primary care doctor examined her and prescribed amoxicillin for her sinusitis. Paramedics report blood pressure 70/30 mm Hg, heart rate 140 /min, respiratory rate 40/min, and oxygen saturation 76%. Intravenous fluids and oxygen were administered during transport. Despite bag-valve-mask ventilation, her oxygen saturation remains low. On the physical examination, she is obtunded and shows perioral cyanosis, tongue swelling, stridor, wheezing, and laboured breathing. Her skin is cool and clammy with large urticarial lesions.

What is the most likely diagnosis?

Real-Life cases to ensure you are ready for your MCCQE1 Exam!

Ace Qbank Clinical Edge

REAL-LIFE CASES TO ENSURE YOU ARE READY FOR YOUR MCCQE1 EXAM!

Ace Qbank Clinical Edge

Making the proper diagnosis is one of the most important aspects of any medical student’s or junior doctor’s clinical training and hence we created Clinical Edge Cases.

Ace Qbank Clinical Edge helps our students put their knowledge of symptoms and physical findings to test by applying clinical reasoning and assessment concepts to a series of common clinical vignettes. Problem-based learning is being used to focus on the cause behind the presentation of a simulated clinical case.

Each simulated Clinical Edge case contains a list of common causes of the presented condition, offers abundant references to the presented case, making additional information easy to find

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