RCOG Guidelines
1. Where there is clinical suspicion of acute PE a chest X-ray
should be performed.
2. Compression duplex Doppler should be performed
where chest X-ray is normal.
3. If both tests are negative with persistent
clinical suspicion of acute PE, a ventilation–perfusion (V/Q) lung scan
or a computed tomography pulmonary angiogram (CTPA) should be
performed.
4. Alternative or repeat testing should be carried out where
V/Q scan or CTPA and duplex Doppler are normal but the clinical
suspicion of PE is high.
Anticoagulant treatment should be continued
until PE is definitively excluded.
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