Gi Bleeding Flashcards
(44 cards)
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 “currant jelly” 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 Meckel’s diverticulum?
A: A congenital pouch in the ileum causing painless lower GI bleeding due to ectopic gastric tissue.
Q: What diagnostic test is used for Meckel’s diverticulum?
A: Technetium-99m pertechnetate scan (Meckel’s scan).
What are esophageal varices, and what causes them?
A: Enlarged veins in the esophagus, often due to liver disease or portal vein thrombosis.
What is the initial management approach for GI bleeding in children?
A: Stabilization with oxygen, IV access, fluid resuscitation, and addressing coagulopathies.
Q: What is the clinical significance of the “corkscrew sign”?
A: It’s an imaging finding associated with midgut volvulus, visible on an upper GI contrast study
How does maternal blood ingestion in neonates differ from fetal blood?
A: The Apt test distinguishes between maternal and fetal hemoglobin.
What are the risks of mechanical ventilation in neonates regarding GI bleeding?
A: It increases the risk of stress gastritis, particularly in premature and distressed infants.
How is vitamin K deficiency treated to stop hemorrhagic disease in newborns?
A: Administration of 1 mg vitamin K intravenously, stopping bleeding within 2 hours.