MSK - Infection Flashcards

1
Q

Def felon

A

Infection of the terminal finger pulp

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2
Q

Human bite infectious agent

A

S. Aureus and Strep

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3
Q

Animal bite infectious agent

A

Pastirella Multicoides

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4
Q

MC infection in kids <5 YO

A

H. influenza

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5
Q

MC location for neonate infection

A

Hip

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6
Q

MC cause of cellulities

A

Strep

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7
Q

90% of pyogenic infections are from

A

S. Aureus

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8
Q

MC site of chronic granulomatous dz

A

Small bones of hands/feet

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9
Q

Def SAPHO

A

Synovities, Acne, Pustulosis, Hyperostosis, osteitis

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10
Q

Def Grisel syndrome

A

Non-traumatic subluxation of C1/C2 d/t adjacent inflammation

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11
Q

Early site of axial infection in an adult

A

subchondral bones of vertebral body

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12
Q

Waterhouse-Friderichsen syndome is

A

Fulminant meningococcal infection

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13
Q

Location of gonococcal articular disease

A

Multiple location, MC at Knee>ankles>Wrist>Shoulder

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14
Q

Gram Negative bacteria producing emphysematous septic arthritis

A

Klebsiella

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15
Q

Occupation of Brucellosis infection

A

Farmer or meat handler

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16
Q

Type of ankylosis in TB

A

Fibrous

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17
Q

Hansen disease AKA

A

Leprosy

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18
Q

Wimberger Sign is

A

erosion of medial surface of proximal tibial shaft in congenital syphilis

19
Q

Slutton joints are

A

bilateral painless joint effusion in congenital syphilis

20
Q

MC site for lyme disease

A

Knee>shoulder>elbow

21
Q

MC systemic fungal infection in US

A

Histoplasmosis Capsulata

22
Q

MC location of Variola

A

Elbow

23
Q

periostitis with skin lesions in patients with AIDS

A

Bacillary angiomatosis

24
Q

MC cause of chronic lymphadenopathy

A

Cat-Scratch disease (Rickettsial infection)

25
Q

MC location of cat-scratch disease is

A

Epitrochelear lymph nodes are more specific, but bigger in axilla

26
Q

MC location of talar AVN following Fx

A

the body

27
Q

Malignant degeneration of an AVN is to…

A

Fibrosarcoma or MFH

28
Q

AVN of Medial femoral condyle AKA

A

Ahlback disease

29
Q

AVN of distal tibia AKA

A

Liffert-Arkin disease

30
Q

AVN of 5th MT base is AKA

A

Iselin disease

31
Q

AVN of MC heads is AKA

A

Dietrich disease

32
Q

How long after Dysbaric osteonecrosis (Caisson) is onset

A

6-12 months

33
Q

Femoral head AVN location is

A

anterosuperior

34
Q

RAD exposure to temporarily arrest physis

A

300-400 RADs

35
Q

RAD exposure to permanently arrest physis

A

1800-2600 RADs

36
Q

MC radiation induced malignant sarcoma

A

Osteosarcoma

37
Q

MC radiation induced benign tumor

A

Osteochondroma

38
Q

Periosteal response in congenital syphilis vs Rubella

A

Yes (syphilis) and no (rubella)

39
Q

Putti’s triad

A

Superolateral femoral epi displacement, increased acetabular angle and small capital femoral epiphysis

40
Q

What is the Sagging rope sign

A

Seen in LCP, curvilinear line at base of femoral neck

41
Q

Catterall classification grades what

A

Legg-Calve-Perthes

42
Q

How often is Blounts dz bilateral

A

60%

43
Q

What stage of Blount Dz is irrepairable

A

Stages 5+