Pulmonary Artery Pressure in Predicting Pulmonary Embolism in Patients Presenting To The Emergency Department With Dyspnea

Inclusion Criteria: * Presenting to the emergency department with dyspnea between the specified dates, * Being 18 years of age or older, * Being evaluated in the emergency department with a preliminary diagnosis of pulmonary embolism, * Having a recorded pulmonary artery pressure measurement at the time of hospital admission, * Having a previous pulmonary artery pressure measurement in the patient's records, * Having sufficient and complete clinical, laboratory, imaging, and echocardiography data available for the study. Exclusion Criteria: * Patients under 18 years of age, * Lack of pulmonary artery pressure data from the time of emergency admission or from the previous period, * Lack of necessary clinical, laboratory, or imaging data for pulmonary embolism evaluation, * In cases of repeated admissions for the same patient, only the first suitable admission will be considered; other admissions will be excluded from the study, * Patients whose data is unavailable in the record system or whose data is insufficient to be analyzed for research purposes.Inclusion Criteria for the Study