Included in the definition of tachysystole is:
Contraction duration of less than 40 seconds.
Contraction frequency of greater than 5 in 10 minutes.
Contraction intensity of less than 80 mm Hg.
Resting tone of less than 18 mm Hg.
The Correct Answer is B
Choice A rationale
Contraction duration less than 40 seconds doesn't define tachysystole. Tachysystole focuses on frequency, not duration, of contractions over a specific time frame.
Choice B rationale
Contraction frequency of more than 5 in 10 minutes defines tachysystole. This frequency indicates excessive uterine activity, requiring intervention to prevent fetal distress.
Choice C rationale
Contraction intensity less than 80 mm Hg does not define tachysystole. Intensity relates to contraction strength, but tachysystole is about frequency exceeding the normal range.
Choice D rationale
Resting tone less than 18 mm Hg isn't part of tachysystole's definition. Tachysystole pertains to contraction frequency, not resting tone, which measures uterine relaxation between contractions.
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Correct Answer is B
Explanation
Choice A rationale
Swaddling provides warmth but doesn't address jitteriness, which may be due to hypoglycemia.
Choice B rationale
Jitteriness in a newborn can indicate hypoglycemia. Prompt glucose assessment is crucial for early detection and management.
Choice C rationale
Feeding could help with glucose levels, but without knowing the glucose status, it might not be the immediate priority.
Choice D rationale
Routine medications are important but not as urgent as addressing possible hypoglycemia in a jittery baby.
Correct Answer is A
Explanation
Choice A rationale
Methylergonovine (Methergine) is used to manage postpartum hemorrhage by stimulating uterine contractions. It is especially useful in cases like this where rapid uterine tone is needed.
Choice B rationale
Magnesium sulfate is used to prevent seizures in preeclamptic patients, not to manage postpartum hemorrhage. This choice is incorrect in this context.
Choice C rationale
Carboprost-tromethamine (Hemabate) is also used for treating postpartum hemorrhage but is typically a secondary option to methylergonovine and may have more side effects.
Choice D rationale
Fresh frozen plasma (FFP) is used to replace clotting factors in cases of coagulopathy, not as a primary intervention for postpartum hemorrhage in this patient.