Real-World Performance of the 2026 AHA/ACC Pulmonary Embolism Framework in a Multi-System CTPA Cohort
Background: The 2026 American Heart Association/American College of Cardiology (AHA/ACC) guidelines replaced the 2019 European Society of Cardiology (ESC) four-tier pulmonary embolism (PE) risk scheme with five clinical categories (A-E) and subcategories. These categories were set by expert consensus and have not been...