Comment on

• Clinical features from the history and physical examination that predict the presence or absence of pulmonary embolism in symptomatic emergency department patients: results of a prospective, multicenter study.

  Courtney DM, Kline JA, Kabrhel C, Moore CL, Smithline HA, Nordenholz KE, Richman PB, Plewa MC. Courtney DM, et al. Ann Emerg Med. 2010 Apr;55(4):307-315.e1. doi: 10.1016/j.annemergmed.2009.11.010. Epub 2010 Jan 1. Ann Emerg Med. 2010. PMID: 20045580 Free PMC article.
• Testing low-risk patients for suspected pulmonary embolism: a decision analysis.

  Lessler AL, Isserman JA, Agarwal R, Palevsky HI, Pines JM. Lessler AL, et al. Ann Emerg Med. 2010 Apr;55(4):316-326.e1. doi: 10.1016/j.annemergmed.2009.12.001. Epub 2010 Jan 12. Ann Emerg Med. 2010. PMID: 20061065
• Further illumination of the test threshold approach in the care of emergency department patients with symptoms of pulmonary embolism.

  Kline JA. Kline JA. Ann Emerg Med. 2010 Apr;55(4):327-30. doi: 10.1016/j.annemergmed.2010.01.005. Epub 2010 Feb 1. Ann Emerg Med. 2010. PMID: 20122753 No abstract available.