Checkmark fetal heart rate pattern associated with severe fetal hypoxia: A case report

Satoshi Kashiwagi, Kei Miyakoshi, Hitoshi Ishimoto, Mamoru Tanaka, Yasunori Yoshimura

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


A 31-year-old nulliparous woman developed vaginal bleeding after spontaneous rupture of the membranes at 40 weeks of gestation. Fetal heart rate monitoring showed checkmark and sinusoidal patterns. A 3,281 g male neonate was delivered by emergency cesarean section, with Apgar scores of 1 and 3 at 1 and 5 min, respectively. The neonate exhibited severe acidosis with arterial blood gas pH of 6.96, and was diagnosed to have severe hypoxic-ischemic encephalopathy. An umbilical artery branch was noted in the membrane near the cervical os and found to be torn, representing hemorrhagic vasa previa. Severe fetal hypoxia resulting from hemorrhagic vasa previa might be associated with checkmark fetal heart rate pattern.

Original languageEnglish
Pages (from-to)237-239
Number of pages3
JournalFetal Diagnosis and Therapy
Issue number4
Publication statusPublished - 2003


  • Checkmark fetal heart rate pattern
  • Fetal hypoxia

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Embryology
  • Radiology Nuclear Medicine and imaging
  • Obstetrics and Gynaecology


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