outpouchings or dilations of the arterial wall and are common
aneurysms of the descending and abdominal aorta is atherosclerosis.
Atherosclerotic plaques deposit beneath the intima. Plaque formation causes degenerative changes in the middle layer of the arterial wall. leading to loss of elasticity, weakening, and eventual aortic dilation.
TRUE - the artery wall forms the aneurysm, vessell layer still intact
-fusiform uniform outpouching
-saccular - pouch like w/ a narrow neck on one side of the wall
FALSE - not aneurysm but diruption of all layers of the arterial wall
deep,diffuse chest pain radiates to interscapular area
angina - from disruption of blood flow
hoarsness - pressure upon laryngeal nerve
dysphagia - pressure on esphagus
distended neck veins, swelling edema head and arms - pressure on the superior vena cava r/t decreased venous return.
pulsatile mass - periumbilical area
bruits - by auscultation
AAA - mimic abd. or back pain
- blue toe syndrome - patchy mottling of feet and toes w/ palpable pedal pulses