Cardiovascular System - Heart Rate Development: Difference between revisions
mNo edit summary |
mNo edit summary |
||
Line 26: | Line 26: | ||
* '''Normal Ranges of Embryonic Length, Embryonic Heart Rate, Gestational Sac Diameter and Yolk Sac Diameter at 6-10 Weeks'''{{#pmid:20847544|PMID20847544}} "We examined 4,698 singleton pregnancies with ultrasound measurements of CRL, HR, GSD and YSD at 6-10 weeks and CRL at 11-13 weeks resulting in the live birth after 36 weeks of phenotypically normal neonates with birth weight above the 5th centile. Gestational age was derived from CRL at the 11- to 13-week scan using the formula of Robinson and Fleming." | * '''Normal Ranges of Embryonic Length, Embryonic Heart Rate, Gestational Sac Diameter and Yolk Sac Diameter at 6-10 Weeks'''{{#pmid:20847544|PMID20847544}} "We examined 4,698 singleton pregnancies with ultrasound measurements of CRL, HR, GSD and YSD at 6-10 weeks and CRL at 11-13 weeks resulting in the live birth after 36 weeks of phenotypically normal neonates with birth weight above the 5th centile. Gestational age was derived from CRL at the 11- to 13-week scan using the formula of Robinson and Fleming." | ||
|} | |} | ||
{| class="wikitable mw-collapsible mw-collapsed" | |||
! More recent papers | |||
|- | |||
| [[File:Mark_Hill.jpg|90px|left]] {{Most_Recent_Refs}} | |||
Search term: [http://www.ncbi.nlm.nih.gov/pubmed/?term=Fetal+Heart+Rate ''Fetal Heart Rate''] | [http://www.ncbi.nlm.nih.gov/pubmed/?term=Fetal+Electrocardiogram ''Fetal Electrocardiogram''] | [http://www.ncbi.nlm.nih.gov/pubmed/?term=Fetal+Heart+Ultrasound ''Fetal Heart Ultrasound''] | [http://www.ncbi.nlm.nih.gov/pubmed/?term=Cardiovascular+Embryology ''Cardiovascular Embryology''] | [http://www.ncbi.nlm.nih.gov/pubmed/?term=Cardiovascular+Development ''Cardiovascular Development''] | |||
|} | |||
{| class="wikitable mw-collapsible mw-collapsed" | |||
! Older papers | |||
|- | |||
| {{Older papers}} | |||
|} | |||
==Textbooks== | ==Textbooks== | ||
Revision as of 08:02, 8 January 2019
Embryology - 8 May 2024 Expand to Translate |
---|
Google Translate - select your language from the list shown below (this will open a new external page) |
العربية | català | 中文 | 中國傳統的 | français | Deutsche | עִברִית | हिंदी | bahasa Indonesia | italiano | 日本語 | 한국어 | မြန်မာ | Pilipino | Polskie | português | ਪੰਜਾਬੀ ਦੇ | Română | русский | Español | Swahili | Svensk | ไทย | Türkçe | اردو | ייִדיש | Tiếng Việt These external translations are automated and may not be accurate. (More? About Translations) |
Introduction
Some Recent Findings
|
More recent papers |
---|
This table allows an automated computer search of the external PubMed database using the listed "Search term" text link.
More? References | Discussion Page | Journal Searches | 2019 References | 2020 References Search term: Fetal Heart Rate | Fetal Electrocardiogram | Fetal Heart Ultrasound | Cardiovascular Embryology | Cardiovascular Development |
Older papers |
---|
These papers originally appeared in the Some Recent Findings table, but as that list grew in length have now been shuffled down to this collapsible table.
See also the Discussion Page for other references listed by year and References on this current page. |
Textbooks
- Human Embryology (2nd ed.) Larson Ch7 p151-188 Heart
- The Developing Human: Clinically Oriented Embryology (6th ed.) Moore and Persaud Ch14: p304-349
- Before we Are Born (5th ed.) Moore and Persaud Ch12; p241-254
- Essentials of Human Embryology Larson Ch7 p97-122 Heart
- Human Embryology Fitzgerald and Fitzgerald Ch13-17: p77-111
Embryonic Heart Rate
In a 1996 study normal successful human gestations were defined by EHR criteria at different early embryonic (34-56 days from last menstrual period) developmental stages (at the earliest stages when embryo length is difficult to measure gestational sac diameters are included). <ref>[3]
- Stage 9-10 2 mm embryo (gestational sac diameter of 20 mm) EHR at least 75 beats / minute
- Stage 11-12 5 mm embryo (gestational sac diameter of 30 mm) EHR at least 100 beats / minute
- Stage 16 10 mm embryo EHR at least 120 beats / minute
- Stage 18 15 mm embryo EHR at least 130 beats / minute
Fetal Heart Rate
Week 15 (GA week 17) Fetal Heart Rate audio recording of human embryo heart sounds .
<html5media>File:Week17 fetal heart rate.mp3</html5media>
Ultrasound Measurement
This movie is a realtime ultrasound recording of the week 12 fetus. The bottom window shows doppler analysis to measure the fetal heart rate.
<html5media height="560" width="680">File:Week12_fetal_heart_rate.mp4</html5media>
Click Here to play on mobile device
Electrocardiogram
Electrocardiogram (ECG) with a normal ECG on the left and an ECG showing T-wave inversion on the right.
The T-waves represents the recovery/repolarisation of the ventricles. Inversion of T-waves relate to repolarisation abnormalities which may indicate a problem with the ventricles (in the recovery beat).
References
- ↑ Grivell RM, Alfirevic Z, Gyte GM & Devane D. (2012). Antenatal cardiotocography for fetal assessment. Cochrane Database Syst Rev , 12, CD007863. PMID: 23235650 DOI.
- ↑ Papaioannou GI, Syngelaki A, Poon LC, Ross JA & Nicolaides KH. (2010). Normal ranges of embryonic length, embryonic heart rate, gestational sac diameter and yolk sac diameter at 6-10 weeks. Fetal. Diagn. Ther. , 28, 207-19. PMID: 20847544 DOI.
- ↑ Coulam CB, Britten S & Soenksen DM. (1996). Early (34-56 days from last menstrual period) ultrasonographic measurements in normal pregnancies. Hum. Reprod. , 11, 1771-4. PMID: 8921130
Reviews
Strasburger JF & Wakai RT. (2010). Fetal cardiac arrhythmia detection and in utero therapy. Nat Rev Cardiol , 7, 277-90. PMID: 20418904 DOI.
Bennet L & Gunn AJ. (2009). The fetal heart rate response to hypoxia: insights from animal models. Clin Perinatol , 36, 655-72. PMID: 19732619 DOI.
Butcher JT & Markwald RR. (2007). Valvulogenesis: the moving target. Philos. Trans. R. Soc. Lond., B, Biol. Sci. , 362, 1489-503. PMID: 17569640 DOI.
Articles
Hashima JN, Frias AE, Bernard L, Spindel ER, Hobbs TR & Rasanen J. (2010). Fetal ventricular diastolic filling characteristics in a primate model: the role of fetal heart rate and pulmonary vascular impedance. Reprod Sci , 17, 760-6. PMID: 20595708 DOI.
Park YS, Koh SK, Hoh JK & Park MI. (2010). Difference of fetal heart rate accelerations based on 10 and 15 beats per minute. J. Obstet. Gynaecol. Res. , 36, 291-5. PMID: 20492379 DOI.
Search Pubmed
Search Nov 2010 "Embryonic Heart Rate" All (7589) Review (405) Free Full Text (794)
Search Pubmed: Embryonic Heart Rate
Glossary Links
- Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Term Link
Cite this page: Hill, M.A. (2024, May 8) Embryology Cardiovascular System - Heart Rate Development. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Cardiovascular_System_-_Heart_Rate_Development
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G