GI/GU, Heme, Onco Flashcards
inability to retract foreskin
phimosis
physiologic (no tx) vs pathologic (tx required)
painful erection
irritation/bleeding
dysuria
phimosis
Phimosis treatment
stretching exercises wth moisturizer
topical corticosteroid (ie betamethasone)
circumcision
retracted skin in uncircumcised male that cannot be returned to natural position
paraphimosis
impaired venous flow - engorgement - arterial compromise
swelling of penis penile pain irritability in non-verbal infant edema and tenderness of glans penile shaft flaccid and unaffected color change if ischemia
paraphimosis
Paraphimosis treatment
medical emergency
manual reduction in office or ED for dorsal slit procedure
congenital anomaly that results in abnormal ventral displacement of urethra
Hypospadias and chordee (abnormal penile curvature)
abnormal foreskin
abnormal penile curvature
2nd opening (1 false)
Hypospadias
Hypospadias treatment
check normal penile length and curvature
refer to urology
circumcision NOT to be done during newborn period
surgery 6mo
testis not within the scrotum and does not spontaneously descend into scrotum by 4mo
suprascrotal most common
Cryptochidism
absent testicle UL or BL with flat underdeveloped scrotum
absent, undescended, retractile or ascending/ectopic
Cryptochidism
Cryptorchidism treatment
70% spontaneous descent (rare after 6mo)
surgery before 2yo
abrupt onset sever testicular or scrotal pain (may radiate)
n/v
edematous and erythematous scrotum
tender, swollen, slightly elevated testis
absent cremasteric reflex
- phren’s sign (+ = relief of pain when scrotum is elevated epididymitis)
Testicular torsion
Testicular torsion diagnostics and treatment
doppler US confirms
*medical emergency - immediate consult and surgical detorsion and fixation of both testes
within 4-6 hours = 100% viable
after 24 hours = 0% viable
younger children: fever vomiting irritability poor appetite
older children:
dysuria and/or frequency
new onset urinary incontinence
abdominal and back pain
Urinary Tract Infection (UTI)
Urinary Tract Infection (UTI) risk factors
female urinary tract anomalies sexual activity catheterization VUR
girls and uncircumcised boys under 2yo with at least 1 risk factor for UTI are most at risk
Urinary Tract Infection (UTI) diagnostics and treatment
UA and culture and sensitivity (C&S)
+ leukocyte esterase (produced when WBC dying)
+ nitrites (G- rods like E.coli)
full septic workup for neonates esp if febrile
*RBUS = 1st line imaging study
abx PO/IV empirically until sensitivity results - 7-14days
amoxicillin, augmente, cephalosporin, Bactrim
f/u UA/C&S not required
When to do RBUS
under 2yo with first febrile UTI
any age with recurrent UTI
UTI and +FH renal/urologic disease, poor growth, HTN
don’t respond to abx
retrograde flow of urine from bladder into upper urinary tract
Vesicoureteral Reflux (VUR)
hydronephrosis (swelling of kidney) prenatally
febrile UTI in odler child
Vesicoureteral Reflux (VUR)
Vesicoureteral Reflux (VUR) diagnostics and treatment
*voiding cystourethrogram (VCUG)
low dose prophylactic abx (i.e. Bactrim)
surgical options
aggressive screening with UA if UTI sxs
urinary incontinence during the day after 4yo or at night after 5yo (girls) or 6yo (boys)
Enuresis
Enuresis diagnostics and treatment
UA with specific gravity (can child concentrate urine? DM)
KUB
behavioral modifications vs pharmacology
timed voiding, increase hydration, no fluids 90min before bed
desmopressin (DDAVP - synthetic ADH) over 6yo
painful or painless urinating
parent complaining child’s urine is red or brown
check BP, edema, skin for purport, CVA and abd tenderness
Hematuria
Hematuria diagnostics
microscopic = 3+ RBCs per hpf urine cx if UTI suspected Ca/Cr ratio (over 2.0 abnormal) RBUS f/u yearly
gross = COLORED UA and cx BUN/Cr and Ca/Cr with GFR ASO and ANA titers (infection) RBUS
gross hematuria - dark colored urine elevated serum Cr edema HTN urine microscopy with elevated RBCs and *CASTS
Glomerular Disease (glomerulonephritis)
acute onset cola-colored urine
renal insufficiency
+ASO titer
recent infection with or without culture (1-2wk post infection)
Post-infectious glomerulonephritis (GN)
abd pain \+/- bloody diarrhea maculopapular purpuric rash renal involvement varies (often microhematuria) arthritis/arthralgia
Henoch-Schonlein Purpura (HSP) - GN
IgA autoimmune response to infectious process that may occur post-URI
bloody diarrhea
hemolysis
renal fault (hematuria)
electrolyte problems –> seizures
*associated with E.coli O157:H7 infection
Hemolytic-Uremic Syndrome (HUS)
*most common glomerular vascular cause of acute renal failure in childhood
microhematuria proteinuria HTN deafness visual disturbances
Alport syndrome
hereditary GN - autosomal dominant X-linked
Nephrotic Syndrome characteristics
nephrotic range proteinuria (over 1000mg/24hr)
hypoalbuminemia
edema (esp. of the face)
hyperlipidemia
2 presentations: "happy spitter" - growing well, healthy clinically "unhappy spitter" FTT fussy/dystonic neck posturing resp. complications feeding refusal occult blood in stool
Gastroesophageal Reflux (GER) GERD if sxs present
common under 6mo
Gastroesophageal Reflux (GER) treatment
positional therapy
elimination diet or change formula
thickened, small, frequent feeds
meds:
H2 blocker (ranitidine) under 1yo
PPI (lansoprazole) over 1yo
projectile, non-bilious vomiting after feeding
“hungry vomiter”
FTT and dehydration
distended upper and after feeding
prominent peristaltic waves L –> R
“olive” sized mass in RUQ
Pyloric stenosis
3-12wks old
Pyloric stenosis diagnostics and treatment
CBC, CMP
US test of choice
UGI if US non-diagnostic –> string sign
IV fluids and electrolytes
pyloromyotomy
bile-stained vomiting first 24-48hrs of life
mild abd distention
*failure to pass meconium
Congenital Atresia
Congenital Atresia types
duodenal (8-10wk gestation) - associated with trisomy 21
embryonic development
jejunoileal (over 11-12wk gestation) - associated with CF
uterovascular accident
colonic (least common)
unknown
Congenital Atresia diagnostics and treatment
CMP
KUB - double bubble sign for duodenal atresia
dilated loops of bowel and air fluid levels for J/C
UGI/contrast enema confirm dx and ID area of obstruction
IV fluids, electrolytes, possibly TPN
surgery
broad spec abx to prevent infection
bilious vomiting
abd pain, tenderness and distention
+/- hematochezia
visible peristalsis
Midgut malrotation +/- volvulus
under 1mo
Midgut malrotation +/- volvulus diagnostics and treatment
KUB
UGI - corkscrew appearance
barium enema to confirm (only as adjunct)
surgical intervention
intermittent, severe cramps abd pain cries and draws legs to chest vomiting - does not feed *currant-jelly* stools palpable sausage shape in RUQ
Intussusception
most frequent cause of intestinal obstruction in first 2yr of life
Intussusception diagnostics and treatment
CBC, CMP
abd US
IV fluids
surgical consult
air enema US-guided = reduces with 74% success
painless rectal bleeding
obstruction
diverticulitis
*can mimic appendicitis
Meckel’s Diverticulum
Meckel’s Diverticulum Rule of 2’s
2% population
2:1 M:F ratio
2% symptomatic
Meckel’s Diverticulum diagnostics and treatment
technetium-99 scan (Meckel’s scan)
surgical resection of diverticula and remnant (vitelline duct)
anorexia migrating abd pain (periumbilical to RLQ) vomiting after onset pain fever guarding rebound tenderness \+Rovsing, obturator and ileopsoas signs
Appendicitis
common in 2nd decade of life
rare under 5yo
Appendicitis diagnostics and treatment
H&P
US
elevated WBC
fluids, electrolytes and abx pre-op
appendectomy
failure to pass meconium in first 48-72hr of life
bilious vomiting
abd distention
reluctance to feed/irritable
older children: FTT and chronic constipation
“squirt” or “blast” sign with releasing finger from anal canal
Hirschsprung’s Disease
first 6wk of life
more than 20% develop enterocolitis
occurs secondary to absence of ganglion cells in the mucosal and muscular layers of the colon
peristaltic waves cannot extend beyond this zone of de-nervation
Hirschsprung’s Disease
most common cause of lower bowel obstruction in neonates
Hirschsprung’s Disease diagnostics and treatment
rectal biopsy is GOLD STANDARD
contrast enema
resection of aganglionic segment
colostomy
colorectal anastomosis after bowel has rested