OB/GYN

How to Improve STI Test Accuracy – Swab or Urine?

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Vaginal swabs are more accurate than urine samples in diagnosing Chlamydia trachomatis, Neisseria gonorrhoeae, and Trichomonas vaginalis. These results support CDC recommendations that vaginal swabs are the preferred sample modality when testing for STIs in women.

Source
Vaginal Swab vs Urine for Detection of Chlamydia trachomatis, Neisseria gonorrhoeae, and Trichomonas vaginalis: A Meta-Analysis. Ann Fam Med. 2023 Mar-Apr;21(2):172-179. doi: 10.1370/afm.2942.

PE Workup in Pregnancy – YEARS, Wells, Both, Neither?

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Pregnant patients who present with signs and symptoms concerning for PE can be safely evaluated using Wells criteria or the YEARS algorithm. 

Source
Noninvasive diagnostic work-up for suspected acute pulmonary embolism during pregnancy: a systematic review and meta-analysis of individual patient data. J Thromb Haemost. 2023 Mar;21(3):606-615. doi: 10.1016/j.jtha.2022.11.025. Epub 2022 Dec 22.

How to Manage Postpartum Hemorrhage

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Postpartum hemorrhage is defined as ≥1000mL of blood loss irrespective of the delivery route, with associated shock. Remember the four “T’s”: tone (uterine atony), trauma (lacerations, uterine rupture), tissue (retained placenta, clots) and thrombin (coagulopathies). Manage the ABCs (especially two large bore IV’s for massive transfusion) and tailor treatment to the specific cause. Recommendations for balanced transfusion are derived from the trauma literature, but it is important to administer cryoprecipitate earlier to maintain a higher fibrinogen level (at term the normal level is >350mg/dL).

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