Transposition of the great vessels electrocardiogram: Difference between revisions
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{{Transposition of the great vessels}} | {{Transposition of the great vessels}} | ||
{{CMG}}; '''Associate Editor(s)-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, M.B.B.S.]] [mailto:psingh13579@gmail.com]; {{CZ}}; [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu]; | {{CMG}}; '''Associate Editor(s)-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, M.B.B.S.]] [mailto:psingh13579@gmail.com]; {{CZ}}; [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu]; [[Kristin Feeney|Kristin Feeney, B.S.]] [mailto:kfeeney@elon.edu] | ||
==Overview== | ==Overview== | ||
There are no specific ECG findings associated with TGA. However, sometimes electrocardiogram may show right axis deviation and right ventricular hypertrophy. | There are no specific ECG findings associated with TGA. However, sometimes electrocardiogram may show [[right axis deviation]] and [[right ventricular hypertrophy]]. | ||
== Electrocardiogram== | == Electrocardiogram== | ||
*The ECG may be normal in the newborn , but in older patients signs of right ventricular hypertrophy may be seen.<ref name="pmid4283637">{{cite journal |vauthors=Shaher RM, Deuchar DC |title=The electrocardiogram in complete transposition of the great vessels |journal=Br Heart J |volume=28 |issue=2 |pages=265–75 |date=March 1966 |pmid=4283637 |pmc=459068 |doi=10.1136/hrt.28.2.265 |url=}}</ref> | *The ECG may be normal in the newborn, but in older patients signs of [[right ventricular hypertrophy]] may be seen.<ref name="pmid4283637">{{cite journal |vauthors=Shaher RM, Deuchar DC |title=The electrocardiogram in complete transposition of the great vessels |journal=Br Heart J |volume=28 |issue=2 |pages=265–75 |date=March 1966 |pmid=4283637 |pmc=459068 |doi=10.1136/hrt.28.2.265 |url=}}</ref> | ||
*Periodic electrocardiograms and/or 24-hour Holter monitoring to monitor for atrial arrhythmias should be employed, particularly following atrial-level switch operation. | *Periodic electrocardiograms and/or 24-hour [[Holter monitoring]] to monitor for [[atrial arrhythmias]] should be employed, particularly following atrial-level switch operation.<ref name="pmid5440512">{{cite journal |vauthors=Fernández F, Laurichesse J, Scebat L, Lenègre J |title=Electrocardiogram in corrected transposition of the great vessels of the bulbo-ventricular inversion type |journal=Br Heart J |volume=32 |issue=2 |pages=165–71 |date=March 1970 |pmid=5440512 |pmc=487298 |doi=10.1136/hrt.32.2.165 |url=}}</ref> | ||
*Varying degrees of AV block may be seen in all patients. | *Varying degrees of [[AV block]] may be seen in all patients. | ||
*The right axis deviation is moderate or absent, in patients with a large VSD, low pulmonary vascular resistance, and LV volume overload. | *The [[right axis deviation]] is moderate or absent, in patients with a large [[Ventricular septal defect|VSD]], low pulmonary vascular resistance, and LV volume overload. | ||
*On the other hand, the right axis deviation is greater if there is a reduced pulmonary arterial blood flow and reduced LV volume as a result of pulmonary vascular disease or pulmonic stenosis. | *On the other hand, the [[right axis deviation]] is greater if there is a reduced pulmonary arterial blood flow and reduced LV volume as a result of pulmonary vascular disease or pulmonic stenosis. | ||
*Q waves are present in right precordial leads which resembles inferior wall myocardial infarction. | *[[Q waves|Q wave]]<nowiki/>s are present in right precordial leads which resembles inferior wall myocardial infarction. | ||
*Q waves are absent in left procordial leads. | *[[Q waves]] are absent in left procordial leads. | ||
==References== | ==References== | ||
Latest revision as of 15:58, 26 February 2020
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Transposition of the great vessels Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3]; Keri Shafer, M.D. [4]; Kristin Feeney, B.S. [5]
Overview
There are no specific ECG findings associated with TGA. However, sometimes electrocardiogram may show right axis deviation and right ventricular hypertrophy.
Electrocardiogram
- The ECG may be normal in the newborn, but in older patients signs of right ventricular hypertrophy may be seen.[1]
- Periodic electrocardiograms and/or 24-hour Holter monitoring to monitor for atrial arrhythmias should be employed, particularly following atrial-level switch operation.[2]
- Varying degrees of AV block may be seen in all patients.
- The right axis deviation is moderate or absent, in patients with a large VSD, low pulmonary vascular resistance, and LV volume overload.
- On the other hand, the right axis deviation is greater if there is a reduced pulmonary arterial blood flow and reduced LV volume as a result of pulmonary vascular disease or pulmonic stenosis.
- Q waves are present in right precordial leads which resembles inferior wall myocardial infarction.
- Q waves are absent in left procordial leads.
References
- ↑ Shaher RM, Deuchar DC (March 1966). "The electrocardiogram in complete transposition of the great vessels". Br Heart J. 28 (2): 265–75. doi:10.1136/hrt.28.2.265. PMC 459068. PMID 4283637.
- ↑ Fernández F, Laurichesse J, Scebat L, Lenègre J (March 1970). "Electrocardiogram in corrected transposition of the great vessels of the bulbo-ventricular inversion type". Br Heart J. 32 (2): 165–71. doi:10.1136/hrt.32.2.165. PMC 487298. PMID 5440512.