Defined by one of :

1. Absence of prescribed test included in an accepted pulmonary diagnosis algorithm in the next 48h00 after the firts contact with a physician
2. Absence of prescribed test included in an accepted pulmonary diagnosis algorithm by the first contacted physician but the diagnostic is done before 48h00 because the patient went at the emergency room on his own initiative.
3. More than one doctor consulted before the diagnostic of pulmonary embolism (excluding the emergency physician if the patient was referred by the 1st contact doctor)

Any patient that did not meet the criteria to define the diagnostic error

There is no intervention in our study. Patient will be managed with usual care. We will divide patients in the 2 groups according to the presence of diagnostic error.

According to the 2014 Europe Society of Cardiology classification that combine clinical characteristics, signs of right ventricular dysfunction on imaging test and cardiac laboratory biomarkers

Composite of death, shock and recurrence

Frequency of diagnostic errors