What is a ductus diverticulum?
Imaging description Ductus diverticulum (DD) is an anatomic variant incidentally found at cardiovascular imaging characterized by a smooth bulge of the anterior wall of the aorta at the aortic isthmus, just distal to the origin of the left subclavian artery.
What is Ligamentum Arteriosum?
The ligamentum arteriosum is the embryologic remnant of the ductus arteriosus, which serves to shunt blood away from the lungs during fetal development and typically closes near the time of birth.
What is a ductal aneurysm?
Congenital aneurysm of ductus arteriosus (DAA) is a rare condition caused by saccular dilatation of ductus arteriosus and is an important cause of extrinsic compression on the airways, producing stertorous breathing in the newborn.
What is an aortic pseudoaneurysm?
Aortic pseudoaneurysms are contained ruptures of the aorta in which the majority of the aortic wall has been breached, and luminal blood is held in only by a thin rim of the remaining wall or adventitia.
Where is the isthmus of the aorta?
The aortic isthmus is the segment of aorta located between the origin of the left subclavian artery and the connection of the ductus arteriosus to the descending aorta.
What is aortic disruption?
The aorta can rupture completely or incompletely after blunt or penetrating chest trauma. Signs may include asymmetric pulses or blood pressure, decreased blood flow to the lower extremities, and precordial systolic murmur.
What is the difference between ligamentum arteriosum and ductus arteriosus?
Ligamentum arteriosum (also known as Ligament of Botallo or Harvey’s ligament) is a fibrous remnant of the fetal ductus arteriosus (ductus Botalli, Botallo’s duct). The ductus arteriosus is a vessel connecting the pulmonary trunk and the aortic arch or descending aorta in the fetus.
Is ligamentum arteriosum normal?
The ligamentum arteriosum (arterial ligament), also known as the Ligament of Botallo or Harvey’s ligament, is a small ligament attaching the aorta to the pulmonary artery. It serves no function in adults but is the remnant of the ductus arteriosus formed within three weeks after birth.
How can you tell the difference between an aneurysm and a pseudoaneurysm?
A saccular-shaped aneurysm bulges or balloons out only on one side. A pseudoaneurysm, or false aneurysm, is not an enlargement of any of the layers of the blood vessel wall. A false aneurysm may be the result of a prior surgery or trauma.
Is a pseudoaneurysm life threatening?
Ruptured femoral artery pseudoaneurysm: A life-threatening, iatrogenic catastrophe!
What is isthmus of aorta?
https://www.youtube.com/watch?v=FI8EN6p6Lac