Peds- Great vessels/ spleen Flashcards
How is an indwelling umbilical artery catheter visualized?
- 2 parallel lines with anechoic center representing the catheter
Coarctation of the Abdominal Aorta?
- congenital or acquired
- rare in the abdomen
- 98% occur in descending thoracic part
- 2% in Abd Ao
- Renal artery stenosis may be present
clinical presentation of coractation of the abdominal aorta? (children)
- severe hypertension
- headaches
- fatigue
- decreased femoral pulse
clinical presentation of coractation of the abdominal aorta? (infants)
failure to thrive
what abdominal vessels must be assessed?
- aorta
- rt and lt renal arteries
- rt and lt iliac arteries
- IVC
pulsed:
- image of prox abdominal aorta
situs inversus?
- ivc located on the left side
interruption?
- IVC can be interupted
- draining via an azygous continuation
what can be a site of thrombus and calcifications in neonates?
- IVC
a tumor invasion into the IVC can be seen from?
wims tumor
extension of IVC can be seen from? (4)
- Kidneys (RCC) / Liver (HCC)
- Adrenals (Neuroblastoma)
- Retroperitoneum (Sarcoma)
- Lymphoma
IVC thrombus?
An echogenic clot (arrow) is visualized within the lumen of the IVC
abdominal aorta thrombus?
- most common reason for evaluating aorta in neonates
- as complication of UACs
abdominal aorta thrombus clinical presentation?
- absent femoral pulses
- hematuria
- cyanosis
- hypertension
- blanching (pale) of the lower extremities
- necrotizing enterocolitis
abdominal thrombus sono apperance?
- Echogenic material within the aortic lumen
- Over time aorta can appear to contain thin linear structures
- Totally or partially filled aorta
- Color to demonstrate flow around thrombus, normal flow reversal and presence of collaterals
enlargement of spleen causes?
- Infection-bacterial/viral/fungal/protozn
- Lymphoma
- Leukemia
- Cirrhosis/Portal -Hypertension
- Congestive Heart failure
