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Author

M. Umair

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Review Open access Mar 2026

Low-Field MRI Reduces Cost and Environmental Impact While Maintaining Diagnostic Performance in Resource-Limited Settings: A Narrative Review With Cardiovascular Focus.

High-field MRI (1.5-3 T) delivers excellent images but requires costly, energy-intensive infrastructure. Emerging low-field systems (<1 T) cut equipment and operating costs and consume far less power, making them attractive for low- and middle-income countries (LMICs). We conducted a narrative review of human studies f...

Caitlyn Tran, Michael Chang, Shankar S. Thiru et al. · 0 citations
Review Open access Sep 2026

Feasibility and Diagnostic Yield of Left Atrial Appendage Imaging in Comprehensive CT Stroke Protocols

Extending the CT stroke protocol to the LAA was technically feasible and did not significantly increase radiation dose, but added little diagnostic yield, and on current evidence should complement rather than replace echocardiography.

Kaitlyn E. Heintzelman, Enrique M. Carrera, Katherine Burkhardt et al. · 0 citations
Preprint Aug 2026

Text-Guided Diffusion-Based Adversarial Attacks on Chest X-Ray Images

A text-guided diffusion-based adversarial framework that optimizes learnable text conditioning while keeping the diffusion generator and target classifier frozen, enabling adversarial generation through a learned image prior rather than direct pixel manipulation is proposed.

Basudha Pal, Arjun Narayanan, Neha Ajith et al. · 0 citations

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