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. 2012 Feb 27;7(2):e30891. doi: 10.1371/journal.pone.0030891

Table 1. Standardized questionnaire.

Please, answer the following questions concerning the symptoms you may have had before the diagnosis of pulmonary embolism (PE) was established.
No symptoms at all
Yes
No
Dyspnea (shortness of breath) during exertion or at rest
Yes
No
If yes, how would you describe its onset?
Sudden (in a matter of hours)
Gradual (over a period of several days or weeks)
Noctural dyspnea (partly relieved by assuming the seated or semirecumbent position)
Yes
No
Chest pain
Yes
No
If yes, how would you describe it?
Precordial or substernal (as an oppression over the anterior chest wall)
Pleuritic (as a stabbing or shooting in the chest, exacerbated by breathing, coughing, sneezing, or even talking)
Fainting or transitory loss of consciousness
Yes
No
Bloody sputum
Yes
No
Cough (as a new symptom)
Yes
No
High fever (>38°C)
Yes
No
Unilateral, painful swelling of the upper or lower extremity
Yes
No
Other symptoms
Please, specify:
Time interval between onset of symptoms and diagnosis of PE
Within one day
More than one day (please, specify):
Your location at the time of symptoms' onset
Home
Hospital