Obstetrics Book

Developmental Disorder


Fetal Tachycardia

Aka: Fetal Tachycardia, FHR Tachycardia
  1. See Also
    1. Fetal Assessment
    2. Fetal Testing Indications
    3. Fetal Heart Tracing
  2. Definitions
    1. Fetal Tachycardia
      1. Fetal Heart Rate >160 bpm for >=10 minutes
  3. Causes: Mild Fetal Tachycardia (FHR 160-180 bpm)
    1. Usually benign if normal FHR Variability or accelerations (spontaneous or stimulated)
    2. Maternal Causes
      1. Maternal Fever or infection
      2. Maternal Dehydration
      3. Maternal anxiety
      4. Maternal Ketosis
      5. Maternal Thyrotoxicosis
      6. Maternal Anemia
      7. Medications
        1. Anticholinergic Medications (e.g. Benadryl)
        2. Sympathomimetic medications (e.g. Terbutaline)
        3. Stimulants
    3. Fetal Causes
      1. Fetal Anemia
      2. Prolonged fetal movement
      3. Severely Preterm Fetus
      4. Cardiac anomalies
      5. Chronic Fetal Hypoxia
  4. Causes: Significant Fetal Tachycardia (FHR >180 bpm)
    1. Chorioamnionitis (especially if Maternal Fever)
    2. Fetal Arrhythmia or congenital defect (FHR >200 bpm)
  5. References
    1. Bailey (2000) ALSO, E:1-13
    2. Gabbe (2002) Obstetrics, p. 395
    3. Arnold (2020) Am Fam Physician 102(3): 158-67 [PubMed]
    4. Rylander (2001) Clin Fam Pract 3(2):287-305 [PubMed]

Fetal tachycardia (C0410918)

Definition (NCI) A fetal heart rate above 160 bpm that is sustained for longer than 10 minutes.(NICHD)
Concepts Sign or Symptom (T184)
SnomedCT 199590007, 240298005
Italian Tachicardia fetale
Dutch foetale tachycardie, tachycardiie, foetaal, tachycardie foetaal
German fetale Tachykardie, Tachykardie fetal
Japanese 胎児頻脈, タイジヒンミャク
English fetal tachycardia (diagnosis), fetal tachycardia, Tachycardia fetal, Foetal tachycardia, Tachycardia foetal, Fetal Tachycardia, Baseline Fetal Tachycardia, Fetal tachycardia, Fetal tachycardia (disorder)
Czech Tachykardie u plodu, Fetální tachykardie
Hungarian Tachycardia, foetalis, Magzati tachycardia, Foetalis tachycardia, Magzati szapora szívverés
Spanish taquicardia fetal (trastorno), taquicardia fetal, Taquicardia fetal
Portuguese Taquicardia fetal
French Tachycardie foetale
Derived from the NIH UMLS (Unified Medical Language System)

You are currently viewing the original 'fpnotebook.com\legacy' version of this website. Internet Explorer 8.0 and older will automatically be redirected to this legacy version.

If you are using a modern web browser, you may instead navigate to the newer desktop version of fpnotebook. Another, mobile version is also available which should function on both newer and older web browsers.

Please Contact Me as you run across problems with any of these versions on the website.

Navigation Tree