Pediatric emergency medicine trisk 0694 0694
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TABLE 33.4
ETIOLOGY OF LOWER GASTROINTESTINAL BLEEDING BASED ON AGE
a
Neonatal
period
Typically wellappearing
Swallowed
maternal
blood
Infectious
colitis
Allergic colitis
Hemorrhagic
disease
Duplication of
bowel
Meckel
diverticulum
Infancy (1 mo–2 yrs) Preschool age (2–5
yrs)
School age ( >5 yrs)
and adolescents
Anal fissure
Infectious colitis
Allergic colitis
Nonspecific colitis
Juvenile polyps
Intussusception
Meckel diverticulum
Anal fissure
Infectious colitis
Juvenile polyps
Intussusception
Henoch–Schönlein
purpura
Meckel diverticulum
Anal fissure
Infectious colitis
Polyps
Inflammatory bowel
disease
Hemorrhoids
Henoch–Schönlein
purpura
Meckel diverticulum
Hemolytic uremic
syndrome (HUS)
HUS
Pseudomembranous
colitis
Ischemic colitis
Typically illappearing
Infectious
colitis
Midgut
volvulus
Duplication
Inflammatory bowel
disease
Hirschsprung
disease
HUS
Peptic ulcer
Peptic ulcer
Disseminated
coagulopathy
Necrotizing
enterocolitis
Intussusception
Congestive
heart failure
Inflammatory bowel
disease
Pseudomembranous
enterocolitis
Ischemic colitis
Lymphonodular
hyperplasia
FPIES
Pseudomembranous
enterocolitis
Ischemic colitis
Angiodysplasia
Angiodysplasia
a In
approximate order of frequency of occurrence.
