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D-Dimer and Exhaled CO2/O2 to Detect Segmental Pulmonary Embolism in Moderate-Risk Patients
Fibrin fragment D venous thromboembolism medical decision making pulmonary embolism
2014/11/28
Rationale: Pulmonary embolism (PE) decreases the exhaled end-tidal ratio of carbon dioxide to oxygen (etCO2/O2). Objectives: To test if the etCO2/O2 can produce clinically important changes in the pro...
D-dimer threshold increase with pretest probability unlikely for pulmonary embolism to decrease unnecessary computerized tomographic pulmonary angiography
Chest pain Acute coronary syndrome Acute myocardial infarction Unstable angina Shared decision-making Emergency department Healthcare utilization
2014/11/28
Background: Increasing the threshold to define a positive D-dimer could reduce unnecessary computed tomographic pulmonary angiography (CTPA) for a suspected pulmonary embolism (PE) but might in...