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Research Article under-review

Frequency-domain band-pass filtering enhanced pulsation method for pulmonary embolism diagnosis and risk stratification: A two-center retrospective study

shaofei xu, Jiazheng Li, Ziqi Li, Yuxuan Cai, Junlai Zhao, Rongrong Zhu, Maokun Li, weiwei Wu

Background: Pulmonary embolism (PE) remains a major cause of morbidity and mortality in critical care, yet traditional diagnostic methods face limitations, especially in critically ill patients. This ...

Critical Care 2026-04-23 rs-9270053
Electrical impedance tomography Pulmonary embolism Frequency-domain band-pass filtering Pulsatility method Risk stratification Embolus location
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