Ped Ortho - Exam 3 Flashcards

1
Q

A true groin pull is actually an _____. Always rule out a ____

A

adductor strain

slipped capital femoral epiphysis

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1
Q

____ is the test of choice for an osteochondral fx. What should you do next?

A

MRI

refer to pediatric ortho

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2
Q

What are 2 common “groin pain” injuries in young adults?

A

Avulsion fractures of the pelvis are common in young adults

Stress fractures of the femoral neck is a common injury

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3
Q

What are the 3 “groin pain” red flags?

A

Refusal to bear weight at all

Refusal to move hip

Pain more than 24-48 hours

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4
Q

What are the 7 red flag symptoms for knee pain?

A

Deformity

“Kneecap Slipped out of place”

Large lacerations

Unable to flex knee , walk

Immediate edema (not gradual)

Intolerable pain

May be a disguiser of HIP PAIN

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5
Q

_____ is the MC fx of the knee. _____ is another one that presents as knee pain

A

Tibial spine or osteochondral Fx

Patellar sleeve fx

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6
Q

What does the Ballotment test test for? How do you perform it?

A

effusion in the knee

Knee straight - pressure applied at top of patella toward femur. Spongy feeling suggests effusion

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7
Q

_____ is an important bony prominence that anchors the attachment of the ____

A

Tibial spine

ACL

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8
Q

Mechanically speaking, an avulsion fracture of the ____ is the equivalent of an _____ in adults

A

tibial spine

ACL rupture

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9
Q

What is the MOI for a tibial spine fx?

A

Hyperextension of knee with concurrent rotation of femur on tibia

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10
Q

Hemarthrosis
joint pain
markedly decreased ROM in the knee
sudden pain

What am I?
What is the tx based on?

A

tibial spine fx

nondisplaced vs displaced

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11
Q

What is the tx for a nondisplaced tibial spine fx?

A

Nondisplaced fractures may be managed conservatively with immobilization in extension and ortho f/u

Diagnosis by radiographs, repeat in 2 weeks to check healing

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12
Q

What is the tx for a displaced tibial spine fx?

A

Displaced fractures need reduction and immediate ortho consult

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13
Q

What am I?

A

tibial spine fx

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14
Q

Osteochondral fractures to the intra-articular portions of the femoral condyles or tibial plateau frequently accompany _____, ____, or _____

A

patellar dislocation

ligament tears

meniscal injuries

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15
Q

osteochondral _____ may arise from osteochondral fracture. What age range? What is a common presenting symptom?

A

fragments

think 12-18 years old

“locking knee”

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16
Q

What am I?

A

osteochondral knee fx

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17
Q

_______ is caused by an indirect force applied to the patella through sudden, forceful contraction of quadriceps to a flexed knee. What are 2 common MOIs?

A

Patellar Sleeve Avulsion Fracture

Occurs when someone lands on feet after jumping from moderate height

Or comes to sudden stop from full sprint

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18
Q

______ happens if the force generated by the quadriceps exceed the strength of the patella. What is a common PE finding? What imaging is needed?

A

Patellar Sleeve Avulsion Fracture

May not be able to extend knee against gravity

MRI may be needed

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19
Q

What is the tx for a Patellar Sleeve Avulsion Fracture?

A

immobilize knee and refer to ortho

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20
Q

for a patellar sleeve fx, _______ and _____ are more predictive than xray evidence. What do you need to have in this specific injury?

A

hemarthrosis

physical exam

there is a high morbidity with this injury so a LOW index of suspicion should be held

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21
Q

What am I? ____ is a super common exam finding

A

patellar sleeve fracture

hemarthrosis

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22
Q

What is Osteochondritis dissecans? What is it due to?

A

Bone beneath the cartilage of the knee joint dies due to lack of blood flow an the necrotic bone is replaced by subchondral trabeculae or cartilage

aka a piece of bone in the middle of the joint

Osteonecrosis of subchondral bone due to overuse (think avascular necrosis)

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23
Q

What happens in osteochondritis dissecans as the lesion progresses?
What is the tx?

A

focal areas of demineralization and repeated shear forces cause detachment of bone and overlying cartilage

immobilization for 3-6 mos vs surgery

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24
Q

_____ is used first in Osteochondritis Dissecans but _____ is diagnostic of choice

A

xray is used first

MRI is diagnostic of choice

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25
Q

What does knee popping usually indicate? What is the tx?

A

meniscal tear

meniscal tear = refer to ortho

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26
Q

What is the MC ankle sprain? What is the tx?

A

Calcaneofibular ligament and anterior talofibular ligament most common sprain

Brace, support, NSAIDS
Still need controlled ROM

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27
Q

What are the different grades of an ankle sprain?

A
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28
Q

What is the MC reason a child may limp?

A

injury/inflammation or infection

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29
Q

_____ is the most common reason for inflammatory childhood limp. What is the underlying cause? What does it usually occur after?

A

Toxic synovitis

is actually an inflammation of the joint- hips and knee affected the most

It occurs after a recent URI usually!!! think recent cold

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30
Q

What are the different Kosher criteria for septic arthritis? Give level 1-4

A
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31
Q

**What are the Kosher criteria for septic arthritis?

A

Fever over 101.3
ESR > 40
WBC >12 K
NO weight bearing

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32
Q

What should be included in your work up of a pt when trying to determine if it is transient synovitis or a septic hip?

A

consider the hx

xrays:
AP pelvis with frog leg views

labs: CBC, ESR, CRP, BMP

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33
Q

What is the tx for a septic hip?

A

I&D of hip if warranted - aspiration of joint fluid

Antibiotics- cover staph aureus

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34
Q

**____ is the MC cause of Intoeing in infants birth to 12 months old. Describe the presentation. Will it involve the ankle? How would a non-medical person describe it?

A

**Metatarsus Adductus

Inward deviation of the forefoot in relation to the hind foot

does NOT involve the ankle

“C”-shaped foot or “kidney bean” shape

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35
Q

If you draw a line from the middle of the heel to the toes, where will the line intersect in a normal foot?

A

intersect between toes 2 and 3

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36
Q

What is metatarsus adductus linked to? What sex?

A

Linked to intrauterine molding and position in the womb

equal boys and girls

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37
Q

_____ is the MC congenital foot deformity in children < 1 year old

A

Metatarsus Adductus

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38
Q

What are the risk factors for Metatarsus Adductus?

A

Risk factors:
breech presentation
family history of MA
hip dysplasia
decreased amniotic fluid
first born
twins

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39
Q

In metatarsus adductus, ____ resolve by 1st birthday and the rest by ____ old without intervention

A

90%

5-6 years

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40
Q

What dx testing should you order in metatarsus adductus?

A

NONE!! no testing or xrays needed

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41
Q

_____ MA examiner can passively over-correct the deformity into abduction with little effort. What is the tx?

A

Mild

Treatment - stretching, observation

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42
Q

____ MA examiner can passively correct the deformity only into middle position. What is the tx?

A

moderate

stretching observation

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43
Q

____ MA examiner is unable to correct the deformity to midline. What is the tx?

A

severe

corrective casting before 8 months of age or surgery in severe cases

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44
Q

_____ is when the foot points downward and inward and soles of feet face each other - foot appears internally rotated at ankle. What sex? How common is it?

A

Clubfoot (Talipes Equinovarus)

males > females

1 in every 1,000 babies born

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45
Q

What is the underlying cause of clubfoot?

A

Shortening of Achilles tendon, tendons of medial lower leg, as well as unusual shape to talus bone

calf muscles are also underdeveloped

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46
Q

What are the 3 features of clubfoot?

A

Plantar flexion of the foot and ankle

Inversion of the heel

Medial deviation of the forefoot

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47
Q

What are the risk factors for clubfoot?

A

decreased amniotic fluid
genetic factors
familial history
twins
spina bifida
SMOKING during preg
infection during preg
illicit drug use while preg

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48
Q

What is the chance that if one child born with a clubfoot, the next will be also?

A

1/30 chance

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49
Q

What are the 3 different types of clubfoot? Which one is MC?

A

congenital - MC type

syndromic

positional

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50
Q

What is syndromic clubfoot associated with?

A

spina bifida

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51
Q

What is positional clubfoot associated with?

A

Intrauterine crowding – example: twins

Breech

Low amniotic fluid

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52
Q

What are the 3 different tx options for clubfoot?

A

ponseti method

surgery

french functional method

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53
Q

What is the ponseti method for tx of clubfoot? What is the associated timing?

A

Specialist manipulates foot with hands to correct bend in foot

Plaster cast applied from toes to thigh to hold in position

Process occurs weekly and may last 4-10 applications

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54
Q

What is the sx tx for club foot? For how long?

A

Achilles tendon release

Boots and braces after surgery to hold feet in position for 2-3 months worn 23 hours per day

Braces continued during night and naps until 2-4 years of age

55
Q

What is the french functional method for clubfoot? For how long?

A

Daily stretching and exercise
Massage
Immobilization and taping foot in position

PT until child is 2 years old

56
Q

What is the difference between in-toeing and out-toeing?

57
Q

What are the 2 different version of tibial torsion? What is the slang terms?

A

internal vs external

“Knock-knees” or “Pigeon-toes”

58
Q

What is the MC cause of intoeing and outtoeing in older kiddos?

A

tibial torsion

59
Q

____ is the MC cause of intoeing in kiddos 1-3 years old. When is it noticed? Is it normally uni or bilateral?

A

internal tibial torsion

Usually noticed when toddlers start to walk

Bilateral in 2/3 of cases

60
Q

Describe internal tibial torsion in medical words

A

Medially deviated foot with patella facing forward

61
Q

What type of bone deformity do the fastest runners usually have?

A

Fastest runners are typically in-toed (sprinters and athletes)

62
Q

How should you evaluate a pt’s normal leg anatomy?

A

kneecaps needs to be symmetric and straight up

63
Q

When does tibial torsion tend to resolve? What is the tx?

A

Typically resolves by age 5 when tibia rotates laterally

Observation only at yearly WCC

64
Q

When would you need to tx tibial torsion? What should you do next? What is an INEFFECTIVE method of tx?

A

treat if feet still turn inward by > 15 degrees at age 5 because spontaneous correction unlikely at that point

Refer to orthopedics if > 8 years old and activity is limited due to in-toeing or cosmetic reasons

Treatment with orthotics is ineffective

65
Q

____ is the MC cause of out-toeing in toddlers and young children. Describe it in medical terms. When is it usually discovered?

A

External Tibial Torsion

Medial malleolus is anterior to the lateral malleolus

Can be discovered later at 4-7 years old or even early adolescence

66
Q

_____ is the increased angle of rotation of femoral neck in relation to transcondylar axis of femur

A

Femoral Anteversion

67
Q

____ is the MC cause of intoeing AFTER 3 years old. Describe it in medical terms

A

femoral anteversion

Inward facing feet and patella

68
Q

What am I? What does it cause? What is the pattern of walking?

A

Prefer sitting in “W” position

Femoral Anteversion

Egg-beater” or “Windmill” pattern of walking and swimming

69
Q

When should you refer for femoral anteversion?

A

Refer if persists past 11 years of age

70
Q

What is the MC cause of intoeing if the kiddo is less than 12 months old?

A

Metatarsus Adductus

71
Q

What is the MC cause of intoeing if the kiddo is between 12 months and 3 years old?

A

Tibial Torsion most common cause

72
Q

What is the MC cause of intoeing if the kiddo is older than 3 years old?

A

Femoral Anteversion

73
Q

What are the different terminology for hip dysplasia?

A

unstable
subluxation
dislocation
dysplasia

74
Q

_____ hip loose in socket with abnormal movement

75
Q

_____ partial dislocation (hip partly out of socket)

A

subluxation

76
Q

____ hip completely out of socket

A

dislocation

77
Q

_____ wide spectrum term ranging from unstable to dysplastic to malformed

78
Q

What is the preferred term if the hip is noted to enter and exit the socket? What is it?

A

Newborn hip instability

Normally formed hip that becomes displaced in utero or at ≤ 1 yr of age in otherwise healthy child

79
Q

Developmental Dysplasia of Hip (DDH) is bilateral in __% of cases. What sex?

A

20% of cases and has a genetic component

Girls > Boys (75%)

80
Q

What are the risk factors for DDH? Left or right hip?

A

Breech
Twins
First born

may have swaddling link

left > right

81
Q

Asymmetrical buttock or thigh hip creases / skin folds
may have hip clicks
Painless, but exaggerated waddling limp after learning to walk
Swayback
Limited abduction of the hip

What am I?
What PE finding?

A

DDH

Trendelenburg sign

82
Q

What is Trendelenburg sign?

A

painless limp and lurch to one side with a dip in pelvis on opposite side when child stands on affected leg (secondary to weakness of gluteal muscle)

83
Q

_____ Thigh grasped loosely with examiner’s index and middle finger along the greater trochanter and thumb along inner thigh. Hip adducted and posteriorly directed pressure applied

A

Barlow maneuver

84
Q

______ Thigh grasped loosely.
From an adducted position – the hip is abducted while lifting the trochanter anteriorly

A

ortolani maneuver

85
Q

Is Barlow or ortolani the more important test? Why?

A

Ortolani

relocates dislocated hip - more important test

86
Q

What are the different types of DDH? What is the most severe form?

A

subluxated
dislocatable
dislocated- most severe form

87
Q

______ DDH types: Head of femur loose in socket. Bone moved during physical exam but won’t dislocate

A

Subluxated

88
Q

____ DDH types: Head of femur is in acetabulum but easily pushed out during physical examination

A

Dislocatable

89
Q

_____ DDH types: Head of femur completely out of socket

A

dislocated

90
Q

_____ is used for the standard dx of DDH. When should a newborn be screened?

A

US

Any male or female born breech > 34 weeks gestation should be screened
and/or
Family history of DDH

91
Q

if a kiddo is 4 - 6 months of age and older with instability or any child with a limp or unstable gait when able to walk, what should you order next?

A

X-ray evaluation :A-P pelvis, bilateral hips and frog leg views

92
Q

Under what circumstances may DDH resolve spontaneously? **When should you refer to a specialist?

A

Most resolve spontaneously by 2 – 6 weeks of age

**Positive Ortolani at any age - refer to specialis

93
Q

What should you do if the Barlow test is positive? Give tx options for the following age ranges
0-6 months
6-18 months
18 months- 6 years
older than 6 years

A

observe and follow

0 – 6 months – Pavlik Harness

6 – 18 months – closed reduction and Spica casting for 2-3 months

18 months – 6 years – closed reduction vs. open reduction

> 6 years – no treatment

94
Q

_____ is inflammation of the patellar tendon. What is it associated with? What sex? What age range is MC?

A

Osgood Schlatter Disease

Growth spurts during puberty

boys> girls

Affects 1 in 5 adolescent athletes

95
Q

Pain and tenderness to tibial tubercle with or without edema
Worsens with activity / Improves with rest
Tightness in surrounding muscles
usually unilateral but can be bilateral

What am I?
What is the MOI?

A

Osgood Schlatter Disease

Overuse injury caused by repetitive strain and chronic avulsion of ossification center of tibial tubercle

96
Q

______ Anterior knee pain increasing over time with activity and may limp but improves with rest. What dx test? Where is TTP?

A

Osgood Schlatter Disease

no xrays are needed!!

Tenderness to palpation over tibial tubercle

97
Q

What is the tx for Osgood Schlatter Disease? Can they still play sports?

A

Treatment – Ice (20-30 min. twice daily), NSAIDS, Stretching (quadriceps), PT if needed

usually waxes and wanes over 16-18 months

YES!!! Complete avoidance of PE not recommended – playing IS permitted. No crutches or knee immobilizers

98
Q

_____ is the MC chronic anterior knee pain in athletes? What is it due to? Why does it happen?

A

Patellofemoral Syndrome

Degeneration of cartilage due to poor alignment of kneecap

Abnormal tracking allows patella to grate over the femur causing chronic inflammation

99
Q

What pt population is at the highest risk of patellofemoral syndrome? name 2 additional populations

A

teenage females highest risk

Knock-knee and flat footed pts

100
Q

What makes patellofemoral syndrome worse? What is the sign called?

A

Aggravated by activity or prolonged sitting with bent knee

“theatre sign”

101
Q

How do you dx patellofemoral syndrome? What is the tx?

A

Clinical, although may see on x-ray or MRI

Ice
NSAIDS
Discontinue activity causing the pain
Strengthening quadriceps and hamstrings

102
Q

_____ happens when the ball of upper end of femur slips off in a backward direction secondary to weakness in the growth plate

A

Slipped Capital Femoral Epiphysis

103
Q

_____ is one of the MC hip disorders in adolescents

A

Slipped Capital Femoral Epiphysis

104
Q

What are the risk factors for Slipped Capital Femoral Epiphysis? What sex? When does it tend to occur? What hip?

A

OBESITY!!

Males > Females

aka chubby teanage boys

Occurs during periods of accelerated growth during puberty

Left hip > Right hip

105
Q

Several weeks or months of hip or knee pain, intermittent limp. Pain during exam with limited internal hip rotation

What am I?
What are the 2 different options?

A

Slipped Capital Femoral Epiphysis

acute vs chronic

106
Q

Define acute vs chronic and stable vs unstable Slipped Capital Femoral Epiphysis?

A

Acute – symptoms less than 3 weeks

Chronic – symptoms more than 3 weeks

Stable – can ambulate with assistance such as crutches; foot is gradually externally rotating

Unstable – cannot ambulate even with crutches. Non-weight bearing

aka stable can walk and unstable CANNOT walk

107
Q

What dx should you order for SCFE?

A

X-ray, U/S, MRI

108
Q

What is the tx for SCFE?

A

internal fixation with single cannulated screw placed in center of epiphysis

109
Q

How is SCFE categorized?

A

Type 1 (mild) - <33% displaced (epiphysis <1/3 diameter of femoral head)

Type 2 (moderate) – 33 – 50% displaced

Type 3 (severe) - >50% displaced

110
Q

What are the compications of SCFE? What is the major one? What are the post-op instructions?

A

Avascular necrosis of femoral head** major one

Chondrolysis at hip joint (loss of cartilage); osteoarthritis

Limited weight bearing and crutches

111
Q

_____ happens when the blood supply temporarily interrupted to femoral head and the bone dies and easily breaks. What is another name for it?

A

Legg-Calve Perthes Disease

Idiopathic avascular necrosis of the hip

aka the femoral head flattens

112
Q

What sex for Legg-Calve Perthes Disease? Ethnicity? Age range? How common is it to be in bilateral hips?

A

Boys > Girls

WHITE!!

3 – 12 years old, peak 5 – 7

Bilateral hips in 10 – 20%

113
Q

How long will it take to see someone on xray for Legg-Calve Perthes Disease? What will it show? What should you order next?

A

May take 1-2 months to show on x-ray

Joint effusion with widening of joint space and periarticular swelling

MRI and bone scan

114
Q

What is the tx for Legg-Calve Perthes Disease?

A

aka it will get better on its own

no WEIGHT BEARING is important

115
Q

_____ is any degree of curvature of the spine as described by the _____

A

scoliosis

Cobb’s angle

116
Q

When should you screen for scoliosis? What test? What is the mean age of dx?

A

Screened age 8 – 9 and older by Adam’s forward bend test (AFB)

14 years of age – mean

117
Q

What is the MC section of the spine for scoliosis to occur in? What sex?

A

Right thoracic – most common

Girls > Boys

aka right as girls are going through puberty

118
Q

How do you dx scoliosis? What is the tx?

A

scoliosis films and measurement of Cobb’s angle

**<20 degrees – follow for progression

**>20 degrees or progression of ≥5 degrees – refer for bracing or surgery

119
Q

How is the Cobb’s angle measurement taken?

120
Q

What is a Toddler’s fx? What is the MC age?

A

Distal ½ of tibia that happens as a result of a Trivial injury common: Fall from low height
Tripping
Twisting ankle

9 – 36 months most common age

121
Q

What is a CAST fx? How will it present? What should you do next?

A

“CAST” – Childhood Accidental Spiral Tibial fracture

child will refuse to bear weight

screen for child abuse

122
Q

_____ is a genetic CT disease that results in multiple and recurrent fx. **What are the 2 super highlighted points? What will they more than likely develop?

A

Osteogenesis Imperfecta

**BLUE sclera and hearing loss

may also have deformed teeth and super prone to develop osteoporosis

123
Q

______ is the result of a genetic mutation causing short-limbed dwarfism. How is it inherited?

A

Achondroplasia

autosomal dominant w/ 80% cases from random mutation

124
Q

How tall will a pt with achondroplasia usually get? What are some additional PE features?

A

Short stature – usually around 4 feet tall max

Average-sized trunk
Short arms and legs w/ bowing
Waddling gait
Macrocephaly with prominent forehead
Normal Intelligence and sexual function

125
Q

What is the tx for achondroplasia?

A

Endocrine - growth hormone in some cases

Genetics

126
Q

______ is a birth defect causing the early growing together of two or more bones of the skull. What does it result in?

A

craniosynostosis

Asymmetrical head shape or appearance, hydrocephalus from the sutures closing too early

127
Q

What is plagiocephaly?

A

Craniosynostosis from how the baby is laid resulting in an aysmmetrical head shape

128
Q

What is another name for Familial Hypophosphatemic Rickets? It encompasses ___% of all hypophosphatemia. Why does it occur?

A

Specifically referred to as X-linked hypophosphatemia (XLH)

80% of all hypophosphatemia

Mutation of the phosphate-regulating gene

129
Q

Impaired growth and bowing of the femur/tibia which results in the short stature of the lower limbs
dental abnormalities
deafness
Chiari malformation of the brain
Calcification of tendons, ligaments and joints
Craniosynostosis

What am I?
How do you dx?

A

Familial Hypophosphatemic Rickets

xrays, severe hypophosphatemia (<2.5 mg/dL), elevated serum alk phos

130
Q

What is the tx for Familial Hypophosphatemic Rickets?

A

Calcitriol with Amiloride and HCTZ

Growth Hormone is a possible option

131
Q

What is nursemaid’s elbow? What age range? What is the MOI?

A

Subluxation of the radial head

1-4 years of age most common

Tug or pull injury

132
Q

What is the tx for nursemaid’s elbow? What will the xrays reveal? How will the kiddo be holding their arm?

A

closed reduction – supinate hand and flex elbow – “pop” over radial head

xray will be normal

Holds arm by side - fully pronated, refuses to use

133
Q

A 2 year old boy new to your office comes in with his parents who complain that their child is “pigeon toed”. You watch the child walk and notice that his toes are pointed inward and his knees are facing forward. The most common cause would be

A. Metatarsus Adductus
B. Internal Tibial Torsion
C. External Tibial Torsion
D. Femoral Anteversion

A

B Internal tibial torsion

134
Q

A 2 month old infant presents to your office for a WCC. On examination of the hips, you can palpate a “clunk” on his left hip while performing the Barlow maneuver. The next most appropriate step would be:

A. Order hip films, including A-P pelvis and frog leg views
B. Order an Ultrasound of the hips
C. Observation only and recheck at next WCC in 2 months
D. All of the above

A

D. All of the above

should order US, xrays and observation in this kiddo because he is 2 months old