The fetal heart rate pattern associated with abruptio placentae, uterine hyperstimulation, umbilical cord compression, and maternal hypotension is known as fetal:
1. Sinusoidal pattern.
2. Variable deceleration.
3. Tachycardia.
4. Bradycardia.
4
Rationale:
1. A fetal sinusoidal pattern is associated with Rh isoimmunization, fetal anemia, and fetal hypoxia.
2. Variables result from maternal drugs, hypoxia, and fetal sleep.
3. Tachycardia is associated with hypoxia, maternal fever, or maternal hyperthyroidism.
4. Causes of fetal bradycardia include fetal hypoxia, maternal hypotension, prolonged umbilical cord compression, fetal arrhythmia, uterine hyperstimulation, abruptio placentae, uterine rupture, and vagal stimulation.
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