Gi Bleeding Flashcards
Q: What are the symptoms of upper GI bleeding?
A: Hematemesis (vomiting blood) and melena (black, tar-like stool).
Q: What are the symptoms of lower GI bleeding?
A: Hematochezia (passing bright red blood or blood clots in stool).
What is the most common cause of GI bleeding in neonates for lower GI bleeding?
What condition in neonates is marked by abdominal distension, poor feeding, and bloody stool?
A: Necrotizing enterocolitis (NEC), typically seen in premature infants.
Describe the presentation of malrotation with midgut volvulus in neonates.
A:
Sudden onset of melena, bilious emesis, and abdominal distension.
How can maternal blood ingestion cause GI bleeding in neonates?
A: Swallowed blood during birth or can appear in the stool or vomit.
What is stress gastritis in neonates, and how is it diagnosed?
A: Found in NICU patients, often diagnosed with upper endoscopy.
What deficiency causes hemorrhagic disease in newborns, leading to GI bleeding?
A: Vitamin K deficiency affecting clotting factors II, VII, IX, and X.
What is the common cause of esophagitis in children aged 1 month to 1 year?
A: Gastroesophageal reflux or eosinophilic esophagitis.
What are the primary causes of gastritis in children?
A: Helicobacter pylori infection, NSAID use, and Zollinger-Ellison syndrome.
What is intussusception, and how does it present in infants?
Bowel segment pulled into another; presents with cramping, sausage-shaped abdominal mass, and βcurrant jellyβ stools.
Q: What is the preferred diagnostic tool for detecting intussusception?
A: Ultrasonography, showing target sign or pseudokidney sign.
How is milk protein allergy related to GI bleeding in infants?
A: Causes colitis with symptoms like diarrhea, weight loss, and bleeding.
What causes peptic ulcers in children and their main clinical presentation?
A: Caused by H. pylori infection or stress; presents with hematemesis, melena, and abdominal pain.
What is Zollinger-Ellison syndrome?
A: Rare disorder with excessive gastric acid secretion due to a gastrinoma, leading to refractory peptic ulcers.
What are juvenile polyps and how do they present?
A: Benign growths in the colon causing painless rectal bleeding; diagnosed with colonoscopy.
What is Meckelβs diverticulum?
A: A congenital pouch in the ileum causing painless lower GI bleeding due to ectopic gastric tissue.