The mechanism by which ergometrine stops postpaum hemorrhage is that it:: (A) Causes vasoconstriction of uterine aeries, (B) Increases tone of uterine muscle, (C) Promotes coagulation, (D) Induces platelet aggregation
Answer is B. All drugs used in PPH including oxytocin, misoprostol and ergometrine cause uterine contraction. The blood vessels are pressed in the uterine muscle and bleeding stops Indications to sta oxytocin Post paum hemorrhage Uterine ineia Breast engorgement due to abnormal milk ejection reflex