What problems can result from a late diagnosis of pyloric stenosis in infants?

Severe dehydration: If a baby has delayed diagnosis of pyloric stenosis the baby may have profound dehydration and metabolic alkalosis. Thankfully with directed rehydration over hours to days this can be corrected and then the baby can undergo surgery to repair the problem.

Dehydration: Dehydration and electrolye abnormalities can result.This can affect heart conduction and result in malfunction. Usually it is diagnosed long before these symptoms arise.

Dehydration: Late diagnosis of pyloric stenosis can result in weight loss and failure to thrive.Prognosis is excellent unless diagnosis is delayed and prolonged severe dehydration occurs.Morbidity increases. Mortality is rare after pyloromyotomy