Case 100
Clinical Presentation
A 38-year-old woman received intravenous contrast for an intravenous pyelogram. You are called by the radiographer to manage an adverse reaction.
Imaging Findings
Clinical data show that the patient is acutely short of breath.
Differential Diagnosis
• Laryngeal edema: This is the most serious cause of shortness of breath after contrast injection. The patient reports difficulty with inspiration. The voice may be hoarse. Laryngeal edema is usually part of a generalized anaphylactoid reaction and is associated with cyanosis, hypotension, and loss of consciousness.
• Bronchospasm:
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