Obstetrics Book


Fetal Scalp Stimulation

Aka: Fetal Scalp Stimulation, Scalp Stimulation Test, Fetal Acoustic Stimulation
  1. Indications
    1. Assess degree of Fetal Hypoxia
  2. Technique
    1. Stimulate infant with one of two techniques
      1. Fetal Scalp Stimulation
      2. Fetal Acoustic Stimulation
    2. Observe Fetal Heart Rate response to stimulation
  3. Interpretation: Positive Scalp stimulation response
    1. Fetal Heart Rate increases 15 beats for 15 seconds
    2. Positive Response implies no acidosis (pH > 7.20)
  4. References
    1. Smith (1986) Am J Obstet Gynecol 155(4):726-8 [PubMed]

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