امرأة عمرها ٥٨ سنة مصابة بالسكري، بعد عملية ركبة جاءها ضيق نفس مفاجئ وألم صدر. النبض ١١٨، والتشبع ٩١٪. سيُعمل لها تصوير مقطعي للشرايين الرئوية بالصبغة لاحتمال جلطة. أي معلومة يتأكد منها الممرض قبل الفحص؟

A 58-year-old diabetic woman developed sudden breathlessness and chest pain after knee surgery. HR 118, SpO2 91%. She is to have CT pulmonary angiography with contrast for suspected embolism. What does the nurse check before the scan?

1. His preferred diet the day before the scan
2. Kidney function and any contrast allergy
3. Whether he can hold his breath for two full minutes
4. His blood group and crossmatch result

Answer: B) Kidney function and any contrast allergy. Contrast can harm the kidneys and cause allergic reactions, so creatinine and allergy history are checked, along with metformin use in diabetes per protocol.