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CHD Question and answers rated A+ 2024
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CHD Question and answers rated A+ 2024 What are congenital heart abnormalities Structured cardiac defects (heart, valves, vessels) that results in decreased CO, shunting, or murmurs what is noncyanotic CHD blood blood shifts Left to right (this increases pulmonary blood flow) Ex: -VSD ...

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  • August 22, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • chd
  • chd question and answers rated a 2024

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  • CCC2 PRN 1178
  • CCC2 PRN 1178

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CHD
What are congenital heart abnormalities
Structured cardiac defects (heart, valves, vessels) that results in decreased
CO, shunting, or murmurs




what is noncyanotic CHD blood
blood shifts Left to right (this increases pulmonary blood flow)


Ex:
-VSD
-ASD
-Patent foramen ovale
-Patent ductus arteriorus
-Coarctation of aorta




cyanotic CHD blood
Shifts right to left (decreases pulmonary blood flow)
Ex:
-Tetralogy of Fallot
-Pulmonary Valve atresia
-Hypoplastic left heart syndrome
-Transposition of the great vessels

, Signs of CHD in Newborn
Dx by fetal US (18-22 weeks gestation optimal)




CHD screening
Only identifies right to left shunting and cyanosis


-Screening is recommended in right hand and either foot


Positive screen is 1 of following:
-O2 sat <90%
-O2 sat <95% in both extremities, on 3 measures that are each separated by
1 hour
->3% difference in O2 sat between hand and foot, on 3 measures each
separated by 1 hour




venticular septal defect
Left to right shunting
MC of all CHD (37%)




VSD pathophysiology
ventricular septum is open and allows blood to flow left to right, this can cause
pulmonary HTN and increased heart workload

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