Congenital pyloric steosis causes
A. Billious vomiting
B. Nonbillious vomiting
C. Projectile vomiting
D. Non projectile vomiting
E. Forceful.
A. Billious vomiting
B. Nonbillious vomiting
C. Projectile vomiting
D. Non projectile vomiting
E. Forceful.
Ans. B. Non-bilious vomitting ; (C) Projectile vomitting ; (E) Forceful.
•
In congenital hypertrophic pyloric stenosis, the musculature of the pylorus and
adjacent antrum in grossly hypertrophied, the hypertrophy being maximum in the
pylorus itself.
• It occurs approx. 3 1000 live births is the most common surgical cause of vomitting
in infancy.
•M>F(4:1).
• Characteristically the first born
male child is affected.
• The condition is seen at 4
wks after birth ranging from the 3rd wk to or rare occasion, the 7th.
• Non-bilious vomitting, becoming
increasingly projectile, occurs over several days to wks. Eventually, the
infant will develop a nearly complete obstruction by the second to 4th wk of
life & will not be able to hold down even clean liquids. This invariably
proceeds to severe dehydration if not treated.
• These infants develop a metabolic alkalosis with severe
depletion of K and Cl.
