There are moments in radiologic technology when time seems to slow down.

You’ve prepared the patient. You’ve checked the history. You’ve verified the order. You’ve followed every one of the Six Rights. And still—within seconds of contrast entering the bloodstream—everything can change.

A warmth spreading across the patient’s chest.
A flushed expression.
A sudden cough.
A look that says, Something isn’t right.

The seasoned technologist understands: this is the thin line between routine and crisis. It’...

There comes a point in every radiography student’s journey when the science of medical imaging stops feeling abstract and starts feeling alive. Contrast media is one of those crossroads. It’s not just a topic on the ARRT exam—it’s a tool that changes the way you see anatomy, pathology, and the responsibilities placed in your hands as a future Radiologic Technologist.

Before long, you’ll be face-to-face with decisions that require quick judgment: Do I use barium or a water-soluble agent? Ionic or non-io...

There’s a quiet threshold every radiologic technologist crosses in training—a moment when you realize that contrast administration is not just a procedural task. It is a legal responsibility, an ethical commitment, and a test of your skill under pressure.

Pharmacology in radiologic technology is not abstract theory. It is the art of knowing who your patient is, what is safe for them, and how the contrast agent you’re about to administer will behave inside their body. And in that space, your preparation...