Pediatrics Exam #3 Flashcards
Normal male genitalia for peds and micropenis
Normal - 2.8-4.1cm with average of 3.5cm
Micropenis - under 2.5cm
Normal peds foreskin
Will not retract
Covers glans by 18-20 weeks
Testes in full term infant
Should be descended
Full term scrotum
Should have deep, well developed rugae
Earliest sign of male puberty
Testicle enlargement folled by pubic hair and THEN penis growth
Timing for circumcision
Between ages 1 day and 10 days is best -make sure patient voids/no coagulopathy
Absolute contraindications to circumcision
Hypospadias
Chordee/Curvature of penis
Relative CI to circumcision
Buried penis
Bleeding disorder
Benefits of circumcision
Easier genital hygeine
Lower UTI rates during infancy
Decreased penile cancer
Decreased HIV, HSV, HPV
Risks of circumscision
Procedural risk -amputation, etc.
Bleeding, Infection
Glans amputation
Epidermal inclusion cysts
Circumcision technique
Make sure to do local nerve block with lidocaine w/o epi
Mogen clamp
Blind, outdated circumcision techniche
2 good techniques for circumcision
Plastibell - more complications
Gonco clamps - Less likely to have infection
Post circumcision care
Use vaseline at least 3-5 days until healed
Okay to have some oozing but not active bleeding
Clean around left over skin - don’t remove
When will you be able to retract the foreskin
After 3 years of life
Phimosis
Foreskin adhered to tip of penis
Paraphimosis
Foreskin cannot be reduced - emergency
Cuts of glans
Smegma
Epithelial debris under the foreskin - looks like little pearls
Reassure
Tx for phimosis
Topical steroid - low potency to lyse adhesions for 1-3 months
Surgery if refractive to tx
Tx for paraphinosis
Emergency - retract skin ASAP, surgery if we can’t reduce
Balanoposthitis
Edema and inflammation of glans/Foreskin
Infection (bacterial, viral, fungal), trauma, irritation can cause
Presentation of balanoposthitis
Preputial swelling, tenderness, and erythema
Exudate with foul odor
Lymphadenopathy
Tx for balanoposthitis
Sitz baths, avoid irritant
Topical bactrim for general
Clotrimazol for fungi, Amoxicillin for strep
MC location for hypospadias
Ventral shaft of the penis
More complicated hypospadias
Opening further away from the glan
Presentation of hypospadia
May look like already circumcised
Complications and tx for hypospadias
Can interfere with urinary and sexual function
Refer for surgery between 6-12 weeks
Epispadia
Dorsal location of urethral meatus - much less common than hypospadia
Surgical correction
Cryptorchidism
Undescended testicles
Absent, Undescended, or atopic
May be able to feel and pull down testicles
MC cryptorchid testicle
Left testicle
When should testicles have descended
Between 4-6 months of life
Five Cryptorchidism indications for referral
Bilateral non palpable testes
Unilateral with hypospadias
Ascending testes
Atrophic testes
Not sure if undescended, retractile or atrophic
Work up for cryptorchidism
Karytypype if non-palpable
US to look for gonads or uterus
Hormone levels
Tx for cryptorchidism
Hormonal not recommended
Orchiopexy - surgery to get testes in scrotum
Restractile teste
Can feel in scrotum but sometimes goes up
When to refer for cryptorchidism
Around 6 months, get surgery done before 1 year old (cancer risk)
Complications of cryptorchidism
Increased risk for testicular cancer
Infertility
Testicular torsion
Sexual dysfunction
MCC od disorder of sex development
Congenital adrenal hyperplasia
2 things needed for normal sexual development
Right hormones
Tissue responsive to hormones
When does genetalia become distinguishable in utero
9 weeks
Tx for ambiguous genitalia
Establish dx
Stabilize infant
Address family concerns
4 Ongoing medical concerns with ambiguous genitalia
Malignancy in gonads
Altered sex steroid exposure
Decreased bone mineral density
Psychosocial concerns
Hydrocele
Extra fluid buildus in the scrotum - d/t patent processes vaginalis
Communicating v Non communicating hydrocele
Non-communicating - trapped fluid
Presentation of hydrocele
Edematous scrotum
NO PAIN, No erythema
Dx for hydrocele
Dx - Positive Scrotal transillumination or Scrotal US
Tx for hydrocele
Surgery if not resolved by 1-2 year or symptomatic compromise of skin integrity
Inguinal hernia
Protrusion down the inguinal canal into the scrotum
Direct - Outside inguinal canal
Indirect - Inside Inguinal Canal
Presentation of inguinal hernia
Painless inguinal swelling
May retract when cold, active, agitated
No spontaneous reduction
Incarcerated hernia
Cannot reduce hernia
Usually firm and discrete and tender
Strangulated hernia
Affects circulation - necrosis
Tx for inguinal hernia
Surgical repair - emergent if strangulated
May exlore both sides
Testicular torsion
Doppler US to dx
Urgent detorsion in 4-6 hours
Presentation of testicular torsion
Pain relief not achived by testicular elevation
Manual detorsion of testicle
Turn laterally - temporary still ned surgery
Will have immediate pain relief
Acute epididymitis
Most common in late adolescents
Caused by STI, Exertion, Trauma
STD causes of epididymitis
Chlamydia - MCC
Gonorrhea
E. coli
Non-STD causes of epididymitis
Mycoplasma, Enteroviruses, Adenoviruses
Presentation of epidydimitis
Testicular pain
Red scrotum
Present cremasteric reflex and pain relief with testicular elevation
Workup for epididymitis
UA/Culture
Urine PCR is often best
Doppler US
Tx for acute epididymitis
Rocephin and Doxy for STD
Levofloxacin for enteric
UTI - non STD - Cefdinir or bactrim
Vulvovaginitis presentation
Burning, pruritis, pain, dysuria with negative urine culture
Cheese discharge in candida
Erythema of area - may not have discharge
Risk factors for vulvovaginitis
Diaper/Tight pant use
Abx use
Bubble baths
Normal vaginal pH
4-4.5
Elevated in bacterial vaginitis
Tx for vulvovaginitis
Candidal - Fluconazole
BV - Flagyl or Clinda
Topical can be used
Labial adhesion
Fusion of labia minora
Partial or complete
MC in first 5 years of life
My be d/t irritation
Uncomplicated labial adhesion
No symptoms
Not complete
May not need to treat
Complicated labial adhesion
Accompanying UTI, altered ambulation etc.
Tx for labial adhesion
Topical estrogen BID for 2 weeks - if fails surgery
Followed by lubricant for 30 days to ensure healing
Manual labial separation
Considered if estrogen not successful after 8 weeks
Will need lubrication for several months
Penile adhesion
Fusion of foreskin and corona
Tx for penile adhesion
Gentle traction
Topical steroid if not effective
Penile skin bridge
Adhesion glans to shaft of penis
May cause pain
Refer to urology to have fixed
UTI MC organism
E. coli
Age for uncircumcised boys to have more UTIs
Under 3 months
Presentation of UTI
Babies with Failure to thrive, Jaundice, Sepsis, Urgency or aneuresis
More classic presentation as age increases
Collecting urine sample in peds
Can do directly if potty trained
Suprapubic aspiration
Bladder cath - recommended
Bag specimen not useful in non potty trained pt
Urinalysis interpretation for UTI
Leukocyte esterase - Sensitive but not specific
Nitrate - Specific but not sensitive
Urine culture for UTI criteria
Clean voided - over 100,000 CFU of 1 pathogen
Catheter sample over 50,000 cfu of 1 pathogen
3 UTI admission criteria
Admit if septic, unable to tolerate PO, dehydration,Under 2 months
Tx for UTI
3rd gen cephalosporine:
Cefdinir, Cefpodoxime, Rocephin, Cefotaxime
Fever should abate in 48 hours
Tx for UTI with pseudomonas
Ciprofloxacin
Duration of peds UTI tx
10 days for febrile
3-5 days for afebrile
Imaging for peds UTI - 3 indications
Renal US in first febrile UTI for baseline
US if not responding to abx
Hx of kidney disease
VCUG imaging - 2
Checks for vesico-ureteral reflux
Children with 2+ febrile UTIs
OR
Children of any age with first febrile UTI and temp 102.2 and non-E coli pathogen, abnormal renal US - must wait until afebrile
Vescicoureteral reflux dx
Hydronephrosis on US
Grades of VUR
1 - into ureter
2 -into kidneys
3 - dilation
4 -Blunting of calyces
5 - Tortuous and severe
Management of grade 1-2 VUR
Watchful waiting with no tx
VUR 3-5 tx
Treat when you see dilation of the ureter
Abx
Surgery in 4-5 and noncompliant 3
Enuresis
Pee accident twice per week for 3 consecutive months in a child who is at least 5 years old
Monosymptomatic enuresis
Only at night - behavioral
Polysymptomatic enuresis
Dribbling during the day as well as bed wetting - more concerning
Cause of enuresis
Polyuria exceeds bladder capacity
Children holding until last minute
Tx for enuresis
Treat daytime before nightime
Treat UTIs or constipation first
Minimize evening fluids
Positive reinforcement
Bed wet alarm for 3 months
Pharm for eneuresis
Desmopressin - patients usually relapse after cessation though
Definition of child abuse
Failure to act resulting in serious physical harm, emotional harm, etc.
Neglect
Failure to meet childs needs, etc. not due to financial limitation
Sexual abuse
Sexual touching, penetration however so slight
Medical abuse
Substance abuse - exposing child
Munchausen by proxy
Making child appear physically ill or impaired
Who is required to report child abuse
Anyone who suspects it
Healthcare people
Teachers
Clergy
EMS
Judges
Film/Print processors
Failure to resport
Misdemenor in 40 states
Felony if child hurt/killed
RIsk factors for child abuse
Young
Single
Low education
Intellectually handicapped
Unstable
Psych illness
Substance abuse
Risk factors for child abuse victims
Under 3
African American/Native american
Unplanned or unwanted
ADHD
Disabled
Adopted
HX features or abuse
Not feasible for age
Delay in seeking care
Parents don’t seem to care
Increasing severity
Unrealistic expectations
Child symptoms of abuse
Sad or Angry - nightmares
Relationship troubles
Acting out/Risky behavior
Red flags of abuse
Cannot explain injury
Aggression towards child
Refers to child as evil/lyer
Delays/Prevents medical care
Doctor shopping
Normal, non-abuse areas of bruising in children
Knees to ankles, wrist, elbow
Over bony prominence
Sentinal injuries for child abuse
Trunk, Ear, Neck in any child under 4 months
TEN-4
97% Sensitive and 84% specific for abuse
Rib fractures and abuse
71% indicate abuse
Burns of abuse
Cigarette burns
Water burns
Lab workup for potential abuse
PT/PTT for hemophilia
Mongolian spots
Can look like bruises of abuse
Common in darker skinned patients - go away by one ish
Abuse radiological findings
Diaphyseal single fresh fracture of long bones
Corner/Bucket handle fracture
Spiral fx
Rib fx
Spinous process fx
Different stages of healing
Things that count as sexual abuse
Being shown pornography
Sexual contact
Being shown or showing genitals
Things that are diagnostic of sexual abuse
Gonorrhea/Syphillis - post perinatal period
Chlamydia, Trichomonas, HIV not from mother
Early childhood sexual abuse response
Within 120 hours
Emergency room and CPS
Rape kit
Late childhood sexual abuse response
Over 120 hours
CPS and Abuse Clinic
Check for STDs afterwards
Normal vs. Abnormal hymen presentation
Should not be totally torn, may be perforated, etc.
STI prophylaxis for abuse
Rocephin
Flagyl
Z-max
HBV Ig
HIV prophylaxis
MC perpatrator of muchhausen by proxy
Mother
True emesis
Yellow tinge - non-billiary
Billiary emesis
Green tinge - can mean a bowel obstruction
GERD in infants
Babies that spit up - fed too much
Uncomfortable when eating
Prop up
SHould resolve by 12 months
s/s of GERD in infants
Spitting up formula after feeds
Excess belching
Cyanosis and choking
Persistent congestion, cough, or wheezing
Arching back while feeding
4 risk factors for pediatric GERD
Asthma
CF
Developmental delays
Tracheoesophageal fistula
BRUE
Breif Resolved Unexplained Event
Baby found blue at home
Dx and Tx for BRUE confirmed UGI - infants
Look at esophageal pH for reflux
Smaller more frequent feeds
Upright 45 minutes after feeds
THickened feeds
Eliminate milk and eggs for 2-4 weeks
2 Meds for UGI BRUE
Famotidine
Prilosec
Tx for reflux in older children
Avoid caffein, spicy foods, late eating
Weight loss and no milk
Famotidine or Prilosec
NISSEN
Fundiplication for severe life threatening GERD
FTT, Esophagitis, Apneic spells
Presentation of gastroenteritis
Stomach pain
Fever
Anorexia
Cramps
Common causes of gastroenteritis
Norovirus,Adenovirus, Enterovirus, Rotavirus
Crypto/Giardia
Campylobacter, Clostridium, Salmonella, E. coli
Incubation of viral gastroentritis
12 hours
8 Concerning features with gastroentritis
Blood or muscous
Weight loss
Prolonged cap refill
Abnormal vitals
Sunken fontanelle
Decreased urine
Out of country
Daycare
Tx for gastroentritis
Fluids!!! - PO very little at a time or IV
Presentation of appendicitis
MC at 7-12
Periumbilical pain migrating to RLQ
Vomiting and anorexia follow
3 signs for appendicitis
Rovsing
Obturator
Iliopsoas
8 Factors in an appendicitis risk score (2 ount for 2 points)
2 points:
Pain with cough, percussion, or hopping
RLQ tenderness
1 Point:
Anorexia
N/V
Temp over 38 (100.5)
WBC >10K
Neutrophils >7.5K
Imaging for appendicitis
US - 93% sensitive
CT of abdomen - usually follows US
Tx for appendicitis
Surgical consult
1 dose cefoxitin or Cefotan prior to incision
Presentation of pyloric stenosis
Projectile vomiting preceded with spit up
Non bilious vomiting
Very hungry
MC in boys
Under 12 weeks old often at 2-4 weeks
PE for pyloric stenosis
Olive shaped mass in RUQ
Dehydration
FTT
Dx for pyloric stenosis
Low potassium and alkalosis
Pyloric US is most common
MC time for presentation of pyloric stenosis
2-4 weeks
MC in boys
Tx for pyloric stenosis
Pylormyomyotemy
Reye’s syndrome
Encephalopathy due to virus treated with aspirin as well as kidneys and liver issues
Affects children up to 18 years of age
Leads to mitochondrial dysfunction
93% caucasian
Other risk factors for Reye’s syndrome
MCAD deficiency
Fatty acid oxidation disorders
Urea cycle disorders
Presentation of Reye’s syndrome
VOmiting and diarrhea
Lethargy
Tachypnea
Confusion, disorientation
Seizures
Paralysis
Dx for Reye’s syndrome
Consider in any child with AMS and vomiting
High ammonia level
Look for inborn errors - liver bx
Management for Reye’s syndrome
Fluids, Diuretics
Vitamin K, Plasma, Platelets
Eosinophilic esophagitis
Reflus heartburn and anorexia - unresponsive to reflux drugs
Driven by an internal allergy to food - “asthma of the esophagus”
Presentation of eosinophilic esophagitis
Vomiting
Dysphagia - refusal of solid food
Abdominal pain
Heartburn/Chest pain
Dx for eosinophilic esophagitis
Allergy hx - asthma, eczema
Eosinophilia may be seen on labs
EGD - abnormalities - linear furrowing
Bx with 15+ eosinophils per HPF is diagnostic
Tx for eosinophilic esophagitis
Eliminate foods positive on skin prick test
Puff and swallow IN steroids
Esophageal dilation
Steroids for EE (2)
Fluticasone or Budesonide
Common onset of peanut allergy
About 12 months
Evaluation for peanut allergy
Skin prick or serologic testing
If either positive no need for oral food challenge
Eliminate food
Prevention for food allergy emergency
Educate fam and friends
Bendryl or Zertec for mild
Epi pen for severe
Indication for early peanut introduction
Severe Eczema or Egg allergy - at 4-6 months
Moderate Eczema - 6 months
Gastric ulcers in peds
Pain, bleeding and vomiting
Stool for H pylori
Tx for H. pylori gastric ulcers
Amoxicillin, Clarithromycin, Omeprazole
All for 14 days
Technical definition of diarrhea
3+ loose stools
Acute diarrhea
5-14 days
No fever or blood
Dehydration
Probiotics may help
Chronic diarrhea
Over 1 month
Abx use
May be d/t fruit juice, milk protein allergy
Viral causes of diarrhea
Rotavirus or Norovirus can also be adenovirus or Coronavirus
3-15 months old
12 hour incubation
4-10 day duration
Presentation of viral diarrhea
Vomiting followed by diarrhea
No WBCs in stool
Supportive care and fluids - maybe bicarb
Intussussception
Intestine telescopes inside self - emergent
6-12 months MC
MCC of intestinal onstruction in 1st two years
Presentation of intussusception
Currant jelly stool
COlicky pain - severe
Vomit
Sausage shaped mass - link
Tx for Intussusception
Barium enema usually diagnostic and curative
Some cases need surgery
Pseudomembranous Colitis
1-14 days after abx therapy
Fever, abd distension, tenesmus, neutrophils and positive stool culture
Flagyl or PO Vanc
Toddler’s diarrhea
MCC of diarrhea in kids
No positive stool cultures
Juice makes it worse
Milk Protein allergy
Not IgE mediated
Bright red flecks of lood in stool
Take mom off of drinking cows milk, give baby special formula
Disappears by 8-12 months
Celiac disease
Often shows up in teens
Failure to thrive
Fatty stools, diarrhea, abd distension
Gluten free diet
tTG 99% sensitive for gluten sensitivity
Endoscopy is diagnostic
Peds constipation criteria
1 month in infants toddlers
2 months in older children
Definition of constipation
Less than 3 BMs per week
Encoperesis 1+ times per week
Impacted stool
Bulky, painful stool
3 Main transitions that can present with constipation in children
Introduction of solid foods/cows milk
Toilet training
School entry
Tx for constipation for children
Miralax or Lactulose
Increase fiber
Enema for severe
Bathroom training
Encopresis
Fecal incontinence - soft poop around hard poop due to holding poo too long - rectal sphincter is chronically dilated - leaking
Dx and Tx for encopresis
Rectal exam and KUB
May take 6+ months to years for rectum to return to normal size
Encopresis acute treatment
PEG/Miralax infants and 6+ months
Fleets enema in 2 yrs +
Ducolax suppository
GLycerin suppository for infants
Rectal stimulation
CHronic encopresis tx
Timed pottying w/ reward (not as punishment
Laxatives for 6 months to a year
Rescue plan is 3+ days with no BM
Eliminating excess milk
Hirschprung’s disease
Absence of ganglion cells in mucosal and muscular layers of the colon
Presents at birth!
Presentation of Hirschprung’s disease
No meconium in first 24-48 hours
Bilious emesis
Abd distension
Reluctant to feed
Ribbon like stools that are foul smelling
Dx for hirschprungs disease
Rectum void of stool despite impaction on KUB US
Rectal bipsy is gold standard
Tx for hirschprung’s disease
Surgical with diverting colostomy or ileostomy
Other disorders of the anus/rectum in peds
Anal fissure - constipation, bright red blood
Anal stenosis/imperforate - Ribbon like stools, MC in males
Dehydration in peds
Sunken fontanelle - very sick
Decreased turgor of skin
Thready pulse