Case 99
Clinical Presentation
A 64-year-old man received intravenous contrast for computed tomography. You are called by the radiographer to manage an adverse reaction.
Imaging Findings
Physical examination shows that the patient is hypotensive and that the heart rate is somewhat slow.
Differential Diagnosis
• Vagal reaction: This is the most common cause of hypotension in a patient undergoing a contrast study. The patient reports feeling light-headed and may faint. The skin is pale. The heart rate is slow but usually > 60 beats/min.
• Bradycardia:
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