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Uterine rupture (mechanism of disease)

This is a flowchart on uterine rupture, covering the etiology, pathophysiology, and manifestations. ADDITIONAL TAGS: Fetal macrosomia Risk factors / SDOH Cell / tissue damage Structural factors Uterine rupture Medicine / iatrogenic Infectious / microbial Biochem / metabolic Immunology / inflammation Signs / symptoms Tests / imaging / labs Environmental Reproductive pathology Flow physiology Pathophysiology Etiology Manifestations Prior cesarean delivery Massive force of contractions (e.g., during active labor) Uterine rupture: tear in the muscular wall of the uterus Uterine distension Uterine scar Prior myomectomy (e.g., for fibroids) Multiple gestations Oxytocin overdose (Fetal malpresentation →) delay in labor progression Postterm pregnancy Induction of labor Maternal age 35 years Interdelivery interval 16 months History of spontaneous abortion Motor vehicle collision Iatrogenic damage to uterus Trauma Severe abdominal pain Increased contractions, then hyperactive labor Bandl ring: muscular ring that can be seen above the belly button due to the powerful contractions of the upper uterine segment Creator: Internet Archive Book Images Severe abdominal pain Fetal distress (most reliable sign) Signs of imminent uterine rupture: Sudden pause in contractions Loss of fetal station Palpable fetal parts Abdominal bleeding Signs of uterine rupture: Hemodynamic instability Light to moderate vaginal bleeding Subdiaphragmatic irritation → referred pain to shoulder By Khcnrc01 - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index...