Prospective use of a clinical decision rule to identify pulmonary embolism as likely cause of outpatient cardiac arrest.
Resuscitation, April 2005
Courtney DM, Kline JA
A clinical decision rule (CDR) derived retrospectively found that 57% of outpatients aged 65 years or less, with witnessed arrest+PEA had pulmonary embolism (PE) as cause of cardiac arrest. These retrospectively studied patients also had significant frequency of pre-arrest respiratory distress, altered mental status, and shock.
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