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Old 06-05-2015
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Default Coarctation of aorta

I'm a bit unclear abt the differences between preductal and post ductal coarctation of aorta.

Pre-ductal coarctation:
-kids
-assoc with Turners
-BP different in upper n lower extremities. HTN in upper & hypotension in lower extremities.
-this BP differential can be overcome with a PDA. And if PDA is present, patient would present with cyanosis in lower extremities.

Post ductal:
- adults
- HTN differential in upper n lower extremities
- delayed lower extremity pulses
- Notching of ribs on CXR due to collateral circulation

Is this right? Can anyone clarify the clinical features of infantile and adult coarctation?? Why wouldn't there b collaterals in infantile/preductal coarctation??
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Old 06-05-2015
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Posductal is going to show the notching of the ribs for the long standing Hypertension.
Also the posductal has a association with a bicuspid aortic valve and can show complication as CHF, Stroke, aortic dissection.
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