A case of fetal complete heart block recorded by magnetocardiography, ultrasonography and direct fetal electrocardiography

Takayoshi Hosono, Yoshihide Chiba, Mika Shinto, Susumu Miyashita, Kazunori Muramaki, Akihiko Kandori, Keiji Tsukada

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Fetal magnetocardiograms (FMCGs) were recorded in a case of fetal complete heart block (CHB) from the 30th to the 37th week of gestation using the multichannel SQUID system (Hitachi, Japan). M-mode ultrasonography and direct fetal electrocardiography using needle electrodes revealed fetal CHB. We identified independent fetal P-waves and QRS complexes in the FMCG recorded in the 32nd week of gestation when the fetal atriums were close to the FMCG sensor. We also recorded FMCG P-waves in the 37th week of gestation when the fetal heart was larger. Fetal heart position and size are important for obtaining a useful FMCG. To establish FMCG as a diagnostic tool of fetal arrhythmia, comparative studies with FECG are needed.

Original languageEnglish
Pages (from-to)38-41
Number of pages4
JournalFetal Diagnosis and Therapy
Volume16
Issue number1
DOIs
Publication statusPublished - Jan 8 2001
Externally publishedYes

Keywords

  • Direct electrocardiogram
  • Fetal complete heart block
  • Magnetocardiogram
  • Prenatal diagnosis
  • Ultrasonography

ASJC Scopus subject areas

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

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