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19 Cards in this Set
- Front
- Back
EMBRYOLOGY 27 GI EMB Dx
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EMBRYOLOGY 27 GI EMB Dx
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Esophageal Atresia
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-Deviation of tracheoesophageal septum posteriorly.
S/S: POLYHYRAMNIOS during development |
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Hiatal Hernia
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-Congenital - short esophagus.
-Part of stomach protrudes into thorax. S/S: heartburn, lung/cardiac deficits or abnormalities |
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Pyloric Stenosis
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-Congenital
-MALES > Females -Hypertrophy of muscle layer in PYLORIC REGION S/S: PROJECTILE VOMITING in newborns (3-4 WEEKS AFTER BIRTH - NON-BILIOUS) |
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Duodenal Stenosis and Atresia
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-Stenosis: Incomplete RECANALIZATION (apoptosis) of EPITHELIUM in duodenum.
S/S: forceful vomiting -Atresia: complete closure of lumen. S/S: polyhydramnios, PROJECTILE VOMITING in newborns (1-2 WEEKS AFTER BIRTH - can be BILIOUS) |
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Accessory Hepatic Ducts (Duplicated Gall Bladder)
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-Splitting of COMMON BILE to many HEPATIC DUCTS.
-Double GALLBLADDERS. |
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Extrahepatic Biliary Atresia
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-Requires IMMEDIATE SURGERY. COMMON BILE DUCT does not recannalize after 2 mos., gall bladder bursts, bile gets into blood.
S/S: JAUNDICE |
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Intrahepatic Biliary Atresia
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-Intrahepatic (rare), build up of bile in liver due to HEPATIC BILE DUCTS not recannalizing. Is initially benign, but leads to LIVER FAILURE.
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Diabetes During Pregnancy
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-A lot of INSULIN from the mother can cross the uteroplacental barrier leading to an abundance of FAT DEPOSIT in the baby.
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Ectopic Pancreatic Tissue
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-Reminants located in DUODENUM or MUCUOUS OF STOMACH.
-Part of MECKEL'S DIVERTICULUM. |
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Annular Pancreas
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-Two buds rotate in opposite directions ENCIRCLING THE DUODENUM.
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Apple Peel Atresia
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-10% of bowel atresia.
-Jejunum not developed. -Intestine looks like "apple peel". S/S: malnutrition |
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Atresia/Stenosis of Gut Via Vascular Accidents
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-VASCULAR ACCIDENTS of intestines leads to necrosis of bowels.
S/S: excessive distention, excessive vomiting in newborns |
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Omphalocele
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-Intestinal Herniation into the BASE OF THE UMBILICUS fails to retract back into the body after 10th week.
-High mortality rate (25%), other malformations, 50% chromosomal abnormalities. |
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Gastrochisis
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-Herniation of abdominal contents through a DEFECT in the abdominal wall.
-NOT in amnion (occurs lateral to umbilicus) -Good mortality rate, NO CHROMOSOMAL ASSOCIATION. |
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Meckel's Diverticulum
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-remnants of pancreatic tissue, connected to vitelline ligament.
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Vitelline Cyst
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-remnants of panc. tissue, connected via ligaments b/w abd wall & intestines.
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Vitelline Fistula
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-Continuation to the umbilicus from the intestine:
S/S: fecal matter exits umbilicus |
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Abnormal Rotation
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-Leads to abnormal attachments, gut hernia, strangulation, volvus, and necrosis due to VASCULAR ACCIDENTS.
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