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Contrast Dye Reactions: What to Do Before Your Scan
By Dr. Mark Bekhit, Radiologist. Last updated July 2026. The short version Short answer: a previous reaction to contrast dye does not automatically rule out a contrast scan, but it…
by Dr. Mark BekhitJul 21 No comments -
MRI vs. CT Scan: What to Know Before Booking
When deciding between an MRI and a CT scan, the choice depends on your specific health needs. Here's a quick breakdown: MRI: Best for detailed images of soft tissues like…
by Dr. Mark BekhitMar 20 No comments -
Radiation Dose Optimisation in Imaging
Radiation dose optimisation is about using the lowest radiation necessary to produce clear, diagnostic-quality medical images. This ensures safety while avoiding the risks of overexposure or poor-quality scans. The key…
by Dr. Mark BekhitMar 13 No comments -
MRI vs CT Scan: Which Imaging Test Do You Need?
When it comes to medical imaging, MRI and CT scans serve different purposes based on the condition being diagnosed. Here's a quick breakdown: CT scans use X-rays to provide fast,…
by Dr. Mark BekhitMar 11 No comments -
PET Scan NZ: Who Pays, Who Refers You, Where to Go
Short answer: You cannot book a PET scan yourself in New Zealand. A healthcare provider has to refer you. If you are referred through the public health system and your…
by Dr. Mark BekhitMar 6 No comments -
Preparing for an ultrasound in NZ: fast, water or nothing
Short answer: Most ultrasounds need no preparation at all. Two main kinds of scan do. For the upper abdomen (liver, gallbladder, pancreas) you fast, for 4 to 6 hours at…
by Dr. Mark BekhitFeb 27 No comments
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