In a manner relating to or using fluoroscopic imaging; describing actions or procedures performed under fluoroscope guidance.
From fluoroscopic + -ally (adverb marker). This adverb form emerged in medical writing to describe the method by which procedures were performed.
When a doctor says a catheter was inserted 'fluoroscopically,' they're saying they threaded it through your blood vessels while watching a glowing screen—impressively precise but also impressively cool.
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