Author

M. Umair

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Review Open access Sep 2026

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

Background/Objectives: Cardioembolic sources account for a substantial minority of ischemic strokes, and in non-valvular atrial fibrillation nearly all left atrial thrombi form in the left atrial appendage (LAA). We asked whether extending a standard CT stroke protocol caudally to cover the LAA would add diagnostic yie...

Kaitlyn E. Heintzelman, Enrique M. Carrera, Katherine Burkhardt et al. · Hearts · 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