This study had the objective of describing a case of dextrocardia with situs solitus and apex-basis axis inversion in a lesser anteater (Tamandua tetradactyla). Arq Bras Cardiol. Dec;91(6):e Anatomy of a dextrocardia case with situs solitus. Faig-Leite FS(1), Faig-Leite H. Author information: (1)Universidade. Herz. May;35(3) doi: /s Epub May Isolated dextrocardia with situs solitus (dextroversion). Solzbach U(1).
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In the present study, it is noteworthy the fact that a complete specular image of the heart and the vessels of the base of the heart was not found.
After the removal of the sternum and the dissection of the vessels of the base, it sotus observed that due to the rotation of the heart, its entire right portion was further displaced to the posterior part and this fact was so accentuated in the right auricle that, with the heart in the observed position, it was not possible to visualize it Figure 1.
Lima I ; E. From Wikipedia, the free encyclopedia. With the help of a stereoscopic magnifying glass, all afferent and efferent branches of the vessels of the base of the heart were dissected in order to look for anomalies. This dextfocardia does not normally pose health problems, however some may suffer from additional congenital heart abnormalities.
No potential conflict of interest relevant to this article was reported. The diagnosis sloitus dextrocardia can be attained during the physical examination, through an electrocardiogram or imaging examination 4. Thorax human anatomy Abdomen.
What is dextrocardia with situs solitus?
A similar situation described in the literature and involving animals was only described by Castro et al.
The atrioventricular concordance was anatomically normal. Birth Control Choices for Women.
Only in XV century did the dextrocardia reports become more frequent, however only in human beings, a fact that restricted animal investigations. This infirmity can occur separately situs solitus or in association with situs inversus complete inversion of all visceral organs presenting itself as an inverted image Da Silva et al. Anatomicallythis means that the heart is on the left with the pulmonary atrium on the right and the systemic atrium on the left along with the cardiac apex.
Internally, the heart from the dextrocardic animal did not show any significant alteration, and it was possible to observe four chambers without septal communication. Although there is literature that consecrates that in the dextrocardia there is a displacement of the main axis of the heart basis-apex to the right antimere Bernasconi et al.
Its habits are predominantly nocturnal and the feeding basis for these animals is insects, mainly ants and termites Reis et al. An solitjs was made in each ventricle with the objective of verifying its internal morphology and the emergence of its vessels. In humans, dextrocardia cases with situs inversus totalisalso seen with situs inversus Perloff,in the heart and in other organs, are presented as a mirror image of the normal disposition.
The cava veins, superior and inferior, are on the right atrium that is located to the left of the vertebral column, while the aorta is below on dexxtrocardia right. Anatomy of a dextrocardia case with situs solitus. Relato de caso-Anatomia de witus caso de Dextrocardia com Situs Solitus. Such alterations had not been found in this animal because the heart presented sittus apex-based rotation axis. The study by Van Praagh et al 6 is the only one that describes two cases that were identical to the case reported here, with more anatomic details.
What is amniotic band syndrome? This condition – which is known as blue baby — happens when a baby doesn’t have enough oxygen, but transposed arteries are not the only reason it happens.
In these cases, as well as in the present case, dextrocardix solitus was found, the great vessels were normally related with the bulboventricular loop to the right and the absence of ventricular inversion was observed. Cwhen described together with the transposition of other organs in two animals situs inversus totalis.
Isolated dextrocardia with situs solitus (dextroversion).
The lesser anteater Tamandua tetradactila is a Xenartra from the Myrmecophagidae family. Retrieved from ” https: Among the several studies, the one by Van Praagh et al 6 is worth mentioning, as it describes and classifies in details the different types of dextrocardia. Services on Demand Journal. A case of dextrocardia with normal situs.
This study had the objective of describing oslitus case of dextrocardia with situs solitus and apex-basis axis inversion in a lesser anteater Tamandua tetradactyla between five evaluated animals, all from dextrocardka area of Mine Bauxite – Paragominas – Para. What kidney problems can occur in babies? This case is characterized as a dextrocardia case, as the heart apex was completely turned to the right antimere ,7,9. In the dextrocardic animal situs solitus with base-apex axis inversion the heart was removed by incision of the vessels of the basis.
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Anatomy of a dextrocardia case with situs solitus.
It possess head, members and back with a yellowish coloration, while the remainder of the body is black, forming a kind of vest, long and prehensile tail and thoracic members with four great claws. These findings had not resulted in difference about the place siths entrance and exit of the other cardiac vessels from basis Figure 2C.
Dextrocardia is a dextrocardoa cardiac anomaly where the heart is situated on the right antimeres of the thorax. A case of dextrocardia with normal situs. Dextrocardia must be differentiated from the dextroversion, as the latter is not a congenital condition, in which the heart can change sides due to a disease soitus pushes or pulls the organ into the right antimere, although the heart apex remains toward the left side 2,5,7,9, In Brazil it spreads out in the Amazon, Atlantic forest, southern fields and pantanal.
The transposition of the great arteries is one of the common abnormalities associated with dextrocardia. Can Med Assoc J.