Objectives of the lecture: Normal GIT phenomena Major signs & symptoms of GIT diseases Whats diarrhea, its types & causes Dehydration. How to assess? How to treat? Normal Digestive Tract Phenomena : GI function varies with maturity; what is a physiologic event in a newborn or infant might be a pathologic symptom at an older age. short lingual frenulum (tongue-tie) may be worrisome to parents but rarely interferes with eating or speech, generally requiring no Rx. Surface furrowing of tongue (a geographic or scrotal tongue) is usually a normal finding. bifid uvula:normal or associated with a submucous cleft palate. Regurgitation, the result of GER, occurs commonly in the 1st yr. Effortless reg. can dribble out of an infant's mouth but may be forceful. Episodes can occur from