The aim of this study is to determine the usability of echocardiographic PAP changes obtained from emergency department records in the early risk stratification of pulmonary embolism.
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,
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,