Ruptured Ectopic Pregnancy: Sensitivity and Specificity

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

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The sensitivity and specificity of findings for Ruptured Ectopic Pregnancy are listed below. See the left navigation bar to change the display.

Specific Findings

Finding	Sensitivity	Specificity	Comments, Study
Hypotension	36%	96%	SBP < 100 mmHg Study: Am J Obstet Gynecol. 2003 Nov;189(5):1293-6. PMID: 14634556
Tachycardia	28%	96%	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

Poorly Diagnostic Findings

Finding	Sensitivity	Specificity	Comments, Study
Heart Rate to Systolic Blood Pressure Ratio	72%	67%	HR / SBP > 0.7 Study: Am J Obstet Gynecol. 2003 Nov;189(5):1293-6. PMID: 14634556