Midjourney ultrasound vs MRI: experts call claims exaggerated

Midjourney plans a “60-second” full-body ultrasound scanning device, but five radiology and cardiology professors say its MRI-equivalence claims are unproven and overly exaggerated. CEO David Holz describes a water-tank experience using Butterfly Ultrasound-on-Chip modules plus AI processing, with an ambition to open a clinic in 2027 and scale to 50,000 scanners by 2031. The device team positions it as a “wellness” product rather than a diagnostic medical device, citing FDA confirmation. However, experts argue that ultrasound cannot reliably penetrate bone or air-filled body cavities, and that performance can drop with body fat or larger body types. They also question the practicality of the water-based method (water purity, bubbles, and setup steps) and note that current ultrasound typically takes far longer for region-by-region imaging, while achieving MRI/CT-level information would be a major technical leap. Professors warn of a marketing–regulation gap: the public messaging implies cancer screening and life-extension, even though the regulatory posture limits medical claims. One professor called the rollout “vibe-based” and suggested it could be more like marketing or even fraud than a true medical technology transition. Midjourney’s ultrasound vs MRI narrative therefore faces credibility and ethical scrutiny, with potential consumer risk if people delay proven screenings such as mammograms or colonoscopies.