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Abdominal Aortic Aneurysm
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Abdominal Aortic Aneurysm: a pulsatile mass slightly to the left of midline between the umbilicus and xiphoid process.
Sonographic Appearance: a localized dilation of the aorta with an increase in diameter of greater than 1.5 times its normal diameter. Probable intraluminal clot indicating old dissection.
Image provided by: Philips
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Aortic Dissection
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Aortic Dissection: typically a patient is known to have an aneurysm, and sudden, excruciating chest pain radiating to the back may develop because of a dissection.
Sonographic Appearance: the sonographer should look for a dissection flap or recent channel with or without flank aneurysmal dilation. The dissection of blood is along the laminar planes of your aortic media with formation of a blood filled channel within the aortic wall.
Image provided by: Siemens
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Thrombus
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Thrombus: Blood clot.
Sonographic Appearance: formation is usually more frequent along the anterior and lateral walls than along the posterior wall of the aorta. Echoes should be seen in both scanning planes on more than one scan to be separated from low level reverberation each echoes.
Image provided by: www.echobyweb.com
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Plaque
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Plaque: Buildup of cholesterol in walls of an artery.
Sonographic Appearance: heterogeneous if the plaque has mixed areas of echogenicity or homogenous if the plaque demonstrates a uniform level of echogenicity.
Image provided by: Philips
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Pseudoaneurysm
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Pseudoaneurysm: perivascular collection (hematoma) that communicates with an artery or graft and has the presence of pulsating blood entering the collection.
Sonographic Appearance: Swirling blood within the collection. Bidirectional spectral waveform.
Image provided by: GE
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