Sai‐Wai Ho

Urinary Antimony as a Biomarker for Differentiating Heroin and Brown Mixture Use

Heroin is classified as a Schedule I controlled substance with severe legal consequences for its use, whereas liquid Brown Mixture (BM) is a legally available and commonly prescribed cough remedy in Taiwan. However, numerous cases of BM ingestion have been misinterpreted as heroi...

Simulation-based ultrasound-guided lumbar puncture training using a flipped classroom: a single-arm pilot programme evaluation

Abstract Background Traditional landmark-guided lumbar puncture (LP) has high failure rates among novice emergency medicine (EM) clinicians. While ultrasound guidance improves success, structured training models remain limited and expensive. We evaluated a cost-effective, simulat...