Pulmonary Embolism Workup Flowchart

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• Wells Score

• Low Risk

• High Risk

• d-dimer

• no PE, explore other diagnoses

• able to undergo CT PE?

• CT PE study

• V/Q scan

• no

• yes

• positive

• negative

• medium probability

• high probability

• hemodynamically stable?

• DVT ultrasound

• POC echo for R heart strain

• Anticoagulate

• positive

• positive

• negative

• negative

• low probability