Right atrial enlargement occurs when the right atrium, one of the heart's upper chambers, is larger than normal. The right atrium is the first entry point of blood returning to the heart from ...

Massive enlargement of the right atrium is usually associated with congenital heart disease in infants and children. 2, 3 We found only two reports of a giant right atrium in adults. 1, 4 The most ...

Indeed, an isolated enlarged right atrium is a very rare condition, Majdalany said. The right atrium of the heart is responsible for receiving the blood that has returned from its trip around the ...

The right atrium is one of the four chambers of the heart. Because of the enlarged chamber, the man had a "cardiothoracic ratio" of 0.82, according to the report.

A 54-year-old woman presents with new onset of paroxysmal atrial fibrillation documented on Holter monitoring. The patient does not report any cardiac complaints such as dyspnea, angina, or ...

Anatomic variant Metastatic disease (b) was strongly considered owing to the failure of the initial chemotherapy, enlargement of the uterine growth and pelvic lymphadenopathy. However, a thrombus (d) ...

In addition, the volume of blood the right ventricle could squeeze out with each contraction had dropped by about 15 percent. However, Trivax said, the runners were not having mild heart attacks.

An electrocardiogram (Fig. 3) indicated hypertrophy of the right atrium, with low-voltage QRS waves over the precordium on the right. A roentgenogram of the chest showed some cardiac enlargement.