Dextrocardia affects an estimated 1 out of every 12,000 people . Dextrocardia situs inversus totalis affects approximately 1 out of every 10,000 children.

Is situs inversus the same as dextrocardia?

Situs inversus with dextrocardia is also termed situs inversus totalis because the cardiac position, as well as the atrial chambers and abdominal viscera, is a mirror image of the normal anatomy. Situs inversus totalis has an incidence of 1 in 8,000 births.

Can you have dextrocardia without inversus?

In dextrocardia, the heart is on the right side of the thorax with or without situs inversus. When the heart is right sided with inverted atria, the stomach is right sided, and the liver is left sided, the combination is dextrocardia with situs inversus.

How rare is situs inversus?

Situs inversus is found in about 0.01% of the population, or about 1 person in 10,000. In the most common situation, situs inversus totalis, it involves complete transposition (right to left reversal) of all of the viscera.

What causes dextrocardia situs inversus?

Dextrocardia with Situs Inversus, a rare condition that is present at birth, is transmitted by autosomal recessive genes. The primitive loop in the embryo moves into the reverse direction of its normal position during fetal development, causing displacement of organs.

Situs Inversus with Dextrocardia: Explanation of Chest X-ray Findings

How common is dextrocardia?

Dextrocardia is a very rare condition, and studies have revealed incidence rates of dextrocardia to be around 1 in 12000 pregnancies. [7] Kartagener syndrome has an incidence rate of about 1 in 30,000 live births, and situs inversus totalis was seen in around 50% of patients with primary ciliary dyskinesia.

Does situs inversus affect the brain?

Yet individuals with anatomical reversals in brain structure, due to a condition called situs inversus totalis, still retain left-sided language processing [4]. These results suggest that, for some cognitive tasks, function may not follow structure.

Can situs inversus be passed down?

Situs inversus is caused by an autosomal recessive genetic condition. An unaffected carrier mother and an unaffected carrier father have a 1 in 4 chance of having a child with situs inversus. Because many genetic steps would have to come together to cause situs inversus, the condition is rare.

Can you get pregnant with situs inversus?

There were 6 pregnancies in 3 patients with situs inversus and 9 pregnancies in 6 patients with isolated dextrocardia. There were no apparent antenatal complications. None of the patients developed any cardiac symptoms antenatally.

Is situs inversus a disease?

Situs inversus is a condition in which the arrangement of the internal organs is a mirror image of normal anatomy. It can occur alone (isolated, with no other abnormalities or conditions) or it can occur as part of a syndrome with various other defects.

How rare is it to have your heart on the right side?

Dextrocardia is a rare heart condition in which your heart points toward the right side of your chest instead of the left side. Dextrocardia is congenital, which means people are born with this abnormality. Less than 1 percent of the general population is born with dextrocardia.

What is dextrocardia situs Solitus?

Dextrocardia refers to a heart positioned in the right side of the chest. Situs solitus describes viscera that are in the normal position, with the stomach on the left side; in situs inversus, the positions of the abdominal organs and viscera are reversed.

What is situs ambiguous?

Introduction. Heterotaxy (or situs ambiguus) is defined as the abnormal arrangement of thoracic or abdominal organs, or both, across the left-right axis (Video 90.1 ); it is different from complete situs inversus, which involves all organs.

How do you know if you have dextrocardia?

1. Chest x-ray.
2. CT scan of the heart.
3. Electrocardiogram.
4. MRI of the heart.
5. Echocardiogram.

What does Levocardia mean?

Strictly speaking, levocardia means that the cardiac apex is left sided. Isolated levocardias are those hearts that are left sided when situs inversus is present.

How is dextrocardia diagnosed on ECG?

4 In patients with dextrocardia, the standard 12-lead ECG will show marked right-axis deviation of the P wave and QRS complex, with lead I frequently demonstrating a largely negative QRS complex and inverted P and T waves. 5 The QRS complexes in leads aVR and aVL are reversed so that the R wave in lead aVR is positive.

What is situs inversus totalis?

Disease definition. A rare, genetic, developmental defect during embryogenesis characterized by total mirror-image transposition of both thoracic and abdominal viscera across the left-right axis of the body.

What is Situs Solitus of the abdominal viscera?

Situs solitus is the medical term referring to the normal position of thoracic and abdominal organs. Anatomically, this 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.

What is Heterotaxia?

Heterotaxy is a rare condition where many organs in the body can be formed abnormally, in the wrong position, or even missing. Many children with heterotaxy have complex heart defects, which are often the most challenging problems associated with heterotaxy.

What is ectopic cordis?

Ectopia cordis is a rare condition where a baby's heart is located either partially or totally outside the chest. Only 8 out of 1 million babies are born with ectopia cordis, and 90% of these babies are either stillborn or die within the first 3 days of life.

Is dextrocardia a heart disease?

Dextrocardia is a heart condition that makes the heart move out of its usual position. It points towards the right side of your chest instead of the left side. The condition is congenital, meaning that people are born with it, but it's rare.

How common is Mesocardia?

2 On the other hand, mesocardia is extremely rare with reported incidence of 0.2 per 10 000 deliveries. 3 It includes two relatively well-defined apexes defined by each ventricle with the major axis of the heart lies in the midline.

What is Polysplenia?

Polysplenia syndrome refers to the association of 2 or more multiple spleens with multiple congenital abnormalities in abdomen and chest. However, some cases of polysplenia syndrome have been described with a single bilobed spleen or a single normal splenic gland.

What is a midline liver?

A midline liver is a classic finding. • EKG: Variable presentation, but often right ventricular hypertrophy (RVH) and/or left ventricular. hypertrophy (LVH) is present. The P axis may alternate between the lower right and left quadrants. due to two sinus nodes (two right atria).

How common is right sided aortic arch?

Right aortic arch anomalies occur in 0.01 to 0.1% of the general population. Abnormalities of aortic arch branching and orientation are associated with a variety of congenital heart defects (tetralogy of Fallot and truncus arteriosus), as well as chromosomal abnormalities, such as DiGeorge syndrome (22q11 deletion).