Pregnancy causes a small increase in risk of venous thromboembolism (VTE), but a large increase in concern upon presentation to an emergency department (ED) with symptoms of pulmonary embolism (PE), which may cause physicians to employ a low test threshold. This was a systematic review with the hypothesis that symptomatic pregnant patients in the ED have a low relative risk (RR) for VTE outcome.
Kline, J. A., Richardson, D. M., Than, M. P., Penaloza-Baeza, A., & Roy, P.-M. (2014). Systematic review and meta-analysis of pregnant patients investigated for suspected pulmonary embolism in the emergency department. Academic Emergency Medicine. https://doi.org/10.1111/acem.12471