Subspecialties Flashcards
[Ortho]
____ fracture refers to bone broken into three or more fragment
comminuted fracture
[Ortho]
____ refers to an incomplete fracture in which the angulating force bends the cortex on the compression side and breaks it on the distraction side
Greenstick fracture
[Ortho]
refers to an abnormally slow fracture healing
delayed union
[Ortho]
refers to a fracture healing that stops short of firm union
non-union
[Ortho]
refers to fracture healing that takes place in unsatisfactory alignment
malunion
[Fracture or Dislocation]
deformity, angulation, shortening, rotation, loss of function, swelling
fracture
[Fracture or Dislocation]
Loss of normal joint contour and bony landmarks, loss of motion
dislocation
[Initial management of fractures]
this prevents further soft tissue injury, reduces pain, and facilitate transport
splinting
[Gustilo Classification]
What is the incidence of infection of Gustilo IIIB?
10-50%
[Gustilo Classification]
severe crushing of soft tissue with adequate coverage; bone comminution, soft tissue coverage of bone is possible
IIIA
7% incidence of infection
[Gustilo Classification]
severe loss of coverage which will require reconstruction for coverage of soft tissue
moderate to severe comminution of bone; poor soft tissue coverage
Type IIIB
What is the DOC for Gustilo Type 1?
1st generation cephalosporin (Cefazolin)
What is the DOC for Gustilo Type II?
1st generation cephalosporin (Cefazolin) PLUS
Aminoglycoside
What is the DOC for Gustilo Type III?
1st generation cephalosporin (Cefazolin) PLUS
Aminoglycoside PLUS
Penicillin or Metrondazole
What are the indications for immediate amputation
- Nonviable limb
- Limb remains severely damaged even after attempted revascularization
- Limb is a threat to patient’s life
- Severity of injury demands repeated surgical procedures that may not be compatible with patient’s goald
- Expected post salvage function will not justify salvaging the limb
What is the definition of a nonviable limb
irreparable vascular injury with warm ischemia time >8 hours
What is the most commonly dislocated joint?
Glenohumeral Joint
What is the most common type of glenohumeral joint dislocation? (anterior/posterior)
Anterior
What is the most common complication of glenohumeral joint dislocation?
Redislocation
What is the most important risk factor for the recurrence of glenohumeral joint dislocation?
Age
[PE for Developmental Dysplasia of the Hip]
Name this test:
A flexed calf and knee; hip is adducted slightly and gently pushed back posteriorly and laterally
Barlow’s Test
[PE for Developmental Dysplasia of the Hip]
Flexed calf and knee, hip is abducted while the femur is gently lifted with the fingers at the greater trochanger
Ortolani test
[PE for Developmental Dysplasia of the Hip]
Name this radiographic line
disruption of the obturator-coxofemoral line
Shenton line
[PE for Developmental Dysplasia of the Hip]
Name this radiographic line
capital epiphysis is displaced upward the horizontal line
Hilgenreiner line
[PE for Developmental Dysplasia of the Hip]
Name this radiographic line
capital epiphysis is displaced lateral to this vertical line
Perkin line
[Management of DDH]
<6 months old
Pavlik Harness
[Management of DDH]
6-15 months
Spica cast
[Management of DDH]
15 months to 2 years old
femoral osteotomy
[Management of DDH]
more than 2 years
Acetabular and femoral osteotomies
____ disease refers to (mostly idiopathic) avascular necrosis of the femoral head affecting children age 4 and 10 years of age
Legg-Calve-Perthes Disease or Coxa Plana
[LPCD Catterall Classification]
involvement of the anterior epiphyses only
Stage I
[LPCD Catterall Classification]
involvement of the anterior epiphysis with central sequestrum
Stage II
[LPCD Catterall Classification]
only to a small part of the epiphysis is not involved
Stage III
[LPCD Catterall Classification]
total head involvement
Stage IV
____ is the name of the disease of an adolescent characterized by displacement of the femoral head on the femoral neck
Slipped Capital Femoral Epiphyses (SFCE)
___ sign refers to a radiographic sign wherein the klein’s line does not intersect the lateral part of the superior femoral epiphysis on an AP radiograph of the pelvis
Trethowan’s Sign
321
What is the orthopedic management of SFCE?
Percutaneous pinning or screw fixation through the growth plate
____ disease refers to ossification of the distal patellar tendon at the point of its tibial insertion; commonly seen in athletically among active adolescents
Osgood Schlatter Disease
[Salter-Harris Classification]
Complete separation of epiphysis from shaft through calcified cartilage
Type I
What is the most common type of fracture based on Salter-Harris classification?
Type II
[Salter-Harris Classification]
line of separation extends partially across deep layer of growth plate and extends through metaphysis leaving triangular portion of metaphysis attached to epiphyseal fragment
Type II
[Salter-Harris Classification]
intraarticular fracture through epiphysis, across deep zone of growth plate to periphery
Type III
[Salter-Harris Classification]
Fracture line extends from articular surface through epiphysis, growth pate, and metaphysis; fractured segment not perfectly realigned with open reduction
Type IV
[Salter-Harris Classification]
severe crushing force transmitted across epiphysis to portion of growth plate by abduction or adduction stress or axial load
Type V
[Salter-Harris Classification]
portion of growth plate sheared or cut off
Type VI
What are the tendons involved in De Quervain syndrome
- Extensor Pollicis Brevis Tendon
2. Abductor pollicis longus tendon
[MSK Special Test]
Pain on flexion of the shoulder against resistance, while the elbow is extended, and the forearm is supinated
Speed Test
[MSK Special Test]
pain and tenderness over the bicipital groove with forearm supination against resistance with elbow flexed and the shoulder adduction
Yergasons Test
[MSK disease]
Fixed or flexible deformity of the DIP joint of the toe
Mallet Toe
What is the most common deformity of the lesser toes?
Hammer toe
[MSK disease]
flexion deformity of the PIP of the toe with hyperextension of the MTP and DIP joints
Hammer toe
What is the most common cause of shoulder pain?
Supraspinatus Tendinitis
[Pediatric Disease]
Slow progression, retraction, tachypnea, cyanosis, CNS changes
inability to pass catheter
Choanal Atresia
[Pediatric Disease]
respiratory distress within minutes after delivery, tachypnea, tachycardia, intercostal retraction, absent breath sound
posterolateral defect, left
Bochdalek Hernia
[Pediatric Disease]
respiratory distress within minutes after delivery, tachypnea, tachycardia, intercostal retraction, absent breath sound
anterior defect, left
Morgagni hernia
[Pediatric Disease]
Early inspiratory stridor, diminished sounds when crying
Laryngomalacia
[Pediatric Disease]
poor cry, wheezing, barking cough
Subglotting stenosis
[Anterior abdominal wall defect]
right of umbilicus
Absent sac
Gastroschisis
What are the associated anomalies in gastroschisis?
- Intestinal Atresia
- Undescended testis
- Malrotation
[Anterior abdominal wall defect]
Umbilical ring
liver herniation present, intestine grossly normal
Omphalocele
[Anterior abdominal wall defect]
below umbilicus
Bladder Extrophy
When is the ideal time for definitive surgical management of bladder extrophy?
48 hours
What is the cardinal sign of intestinal obstruction in the newborn?
Bilious emesis
[Intestinal Obstruction]
Bilious emesis, down syndrome
AbXR: Double bubble sign
Mesentery is intact, there is a web formed by mucosa and submucosa
Duodenal atresia
Type I (Windsock deformity)
[Intestinal Obstruction]
Bilious emesis, down syndrome
AbXR: Double bubble sign
Mesentery is intact, there is a fibrous cord in between
Duodenal atresia type II
[Intestinal Obstruction]
Bilious emesis, down syndrome
AbXR: Double bubble sign
V-shaped mesentery, no connection between proximal and distal segments
Type III
[Diagnose]
Excessive salivation of newborn, dysphagia, intermittent cyanosis and aspiration, maternal history of polyhydramnios
Esophageal Atresia
[Intestinal Obstruction]
sudden pain, ineffective vomiting, acute gastric distention, inability to pass NGT
Gastric Volvulus
[Intestinal Obstruction]
failure to pass meconium; meconium passage through vagina, cloaca or urinary tract
no anal opening
imperforate anys
When will you do a definitive treatment for low type imperforate anus?
Neonatal period anoplasty
What is the surgical method of choice for high type imperforate anus
Posterior Sagittal Anorectoplasty
[Diagnose]
Intermittent vomiting, abdominal distention, tenderness, melena
AbXR: pigtail sign, loops spiraling about the axis
Malrotation
What is the UGIS finding of malrotation
Abnormal C-loop for duodenum
[Diagnose]
delayed passage of meconium more than 24 hours after birth, collapsed rectal ampulla with explosive discharge of liquid feces on rectal exam
intermittent obstruction relieved by suppositories or enemas
AbXR: presence of transition zone between distal nondilated bowel and proximal dilated bowel
Hirschsprung
What are the findings needed to establish Hirschsprung disease on rectal biopsy?
- Absence of ganglion cells in the myenteric plexus
- Increased acetylcholinesterase positive nerve fibers
- Hypertrophied nerve bundles
What are the surgical techniques used in single stage operation for Hirschsprung disease?
- Swenson
- Duhamel
- Soave
- Georgeson
[Diagnose]
Intermittent, colicky abdominal pain, vomiting, lethargy, currant-jelly stools, sausage-shaped mass, hyperactive bowel sounds,
Intussusception
What are the UTZ findings in Intussusception?
- Superimposed Hypoechoid and hyperechoic layers (Pseudokidney sign)
- Two rings of low echogenicity separated by a hyperechoic ring (Donut sign)
[Diagnose]
Feeding intolerance, bilious emesis, family history of cystic fibrosis, abdominal distention
Meconium Ileus
[Diagnose]
AbXR: soap bubble sign or ground glass appearance, gas filled loops
Barium enema: microcolon and inspissated meconium
Meconium ileus
[Diagnose]
maternal DM, bilious emesis, abdominal distention
AbXR: Low intestinal obstruction
Barium: small colon with transition zone at splenic flexure
Meconium Plug Syndrome
[Diagnose]
regurgitation of feedings, projectile non-bilious emesis, peristaltic gastric waves, olive-shaped mass in right upper epigastrium
hypokalemic hyperchloremic metabolic alkalosis
Pyloric Stenosis
The double bubble sign is usually seen in
Duodenal obstruction
The eggshell pattern in AbXR is usually seen in
Meconium ileus
The microcolon in contrast enema suggests ___
meconium ileus
What is the most common and lethal GI disorder affecting a preterm neonate?
Necrotizing Enterocolitis
What is the most effective surgical treatment for biliary atresia?
Portoenterostomy (Kasai procedure)
What is the most common type of choledochal cyst?
Fusiform dilatation of the bile duct
What is the most common anomaly associated with gastroschisis?
intestinal atresia
What are the components of the Pentalogy of Cantrell?
HOMES
- Heart anomalies
- Omphalocele
- Morgagnian hernia
- Ectopia cordis
- Sternal cleft
Biopsy of an abdominal mass reads “small round blue cells’
neuroblastoma