Intended for healthcare professionals

Letters Pulmonary embolism

Performance of algorithms and pre-test probability scores is often overlooked in the diagnosis of pulmonary embolism

BMJ 2013; 346 doi: (Published 19 March 2013) Cite this as: BMJ 2013;346:f1557
  1. Michael Newnham, respiratory registrar1,
  2. Helen Stone, respiratory registrar1,
  3. Ruth Summerfield, radiology consultant1,
  4. Naveed Mustfa, respiratory consultant1
  1. 1University Hospital of North Staffordshire, Stoke-on-Trent ST4 6QG, UK
  1. michaelnewnham{at}

The mantra that pre-test probability (PTP) scoring should be the first stage in diagnosing pulmonary embolism is supported by a wealth of evidence.1 2 3 Unfortunately, the performance of diagnostic algorithms and PTP scores in clinical settings is often overlooked; when applied incorrectly the predictive potential is negated.

Our retrospective study of …

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