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Good Positive and Negative Likelihood Ratios

Good Positive Likelihood Ratio

Ruptured Ectopic Pregnancy: Likelihood Ratios

Introduction: A ruptured ectopic pregnancy will cause hemoperitoneum and requires emergent surgery.

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Tags: Gynecologic Obstetrical Tag this Diagnosis.

The likelihood ratios of findings for Ruptured Ectopic Pregnancy are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

Finding +LR-LR Comments, Study
Heart Rate to Systolic Blood Pressure Ratio Edit 2.20.4

HR / SBP > 0.7

Study: Am J Obstet Gynecol. 2003 Nov;189(5):1293-6. PMID: 14634556

Good Positive Likelihood Ratio

Finding +LR-LR Comments, Study
Hypotension Edit 90.7

SBP < 100 mmHg

Study: Am J Obstet Gynecol. 2003 Nov;189(5):1293-6. PMID: 14634556
Tachycardia Edit 70.8

Per PMID 2293828, sensitivity is only 45% even with hypotension, suggesting a possible parasympathetic reaction.

Study: Am J Obstet Gynecol. 2003 Nov;189(5):1293-6. PMID: 14634556

 

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