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bone and soft tissue infection Flashcards

1
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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2
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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3
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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4
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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5
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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6
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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7
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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8
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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9
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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10
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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11
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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12
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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13
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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14
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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15
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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16
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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17
Q

who gets acute osteomyelitis ?

A

mostly children
M>F
history of trauma
other disease - DM, RA, immune compromise, long-term steroids, HbS

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18
Q

what are the different sources of infection of acute osteomyelitis ?

A

haematogenous spread - children and elderly
local spread from contiguous site of infection - trauma, surgery
secondary to vascular insufficiency

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19
Q

what are source of infection of AOM in infants, children and adults ?

A

infants - infected umbilical cord
children - boils, tonsillitis, skin abrasion
adults - UTI, arterial line

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20
Q

what is the most common organisms involved in osteomyelitis for infants children and adults ?

A

STAPH AUREUS FOR ALL

infants - group B strep, E coli
children - strep progenies, haemophilus
adults - TB, pseudomonas

specific 
diabetic foot - anaerobes
sickle cell - salmonella
fishermen - mycobacterium marinum
HIV - candida
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21
Q

what is the pathophysiology of osteomyelitis ?

A 
starts at metaphysis
vascular stasis and acute inflammation
suppuration increased pressure
release of pressure into joint/subperiosteal/medulla
necrosis of bone - sequestrum
new bone formation - involucrum
resolution
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22
Q

what are clinical features of osteomyelitis in infants ?

A 
may be minimal or very ill
failure to thrive
drowsy/ irritable
metaphyseal tenderness and swelling
decreased ROM
positional change 
commonest round knee
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23
Q

what are clinical features of osteomyelitis in children ?

A 
severe pain
reluctant to move/weight bear
tender fever and tachycardia
malaise
toxaemia
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24
Q

what are the different sources of infection of acute osteomyelitis ?

A

haematogenous spread - children and elderly
local spread from contiguous site of infection - trauma, surgery
secondary to vascular insufficiency

How well did you know this?
1
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2
3
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5
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25
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
26
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
27
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
28
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
29
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
30
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
31
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
32
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
33
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
34
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
35
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
36
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
37
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
38
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
39
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
40
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
41
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
42
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
43
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
44
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
45
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
46
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
47
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
48
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
49
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
50
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
51
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
52
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
53
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
54
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
55
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
56
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
57
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
58
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
59
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
60
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
61
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
62
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
63
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
64
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
65
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
66
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
67
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
68
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
69
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
70
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
71
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
72
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
73
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
74
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
75
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
76
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
77
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
78
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
79
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
80
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
81
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
82
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
83
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
84
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
85
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
86
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
87
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
88
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
89
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
90
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
91
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
92
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
93
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
94
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
95
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
96
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
97
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
98
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
99
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
100
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
101
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
102
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
103
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
104
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
105
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
106
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
107
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
108
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
109
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
110
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
111
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
112
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
113
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
114
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
115
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
116
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
117
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
118
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
119
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
120
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
121
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
122
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
123
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
124
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
125
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
126
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
127
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
128
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
129
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
130
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
131
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
132
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
133
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
134
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
135
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
136
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
137
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
138
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
139
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
140
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
141
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
142
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
143
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
144
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
145
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
146
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
147
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
148
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
149
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
150
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
151
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
152
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
153
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
154
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
155
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
156
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
157
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
158
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
159
what do radiographs show in
early - minimal changes | 10-20
160
what are the different sources of infection of acute osteomyelitis ?
haematogenous spread - children and elderly local spread from contiguous site of infection - trauma, surgery secondary to vascular insufficiency
161
what are source of infection of AOM in infants, children and adults ?
infants - infected umbilical cord children - boils, tonsillitis, skin abrasion adults - UTI, arterial line
162
what is the most common organisms involved in osteomyelitis for infants children and adults ?
STAPH AUREUS FOR ALL infants - group B strep, E coli children - strep progenies, haemophilus adults - TB, pseudomonas ``` specific diabetic foot - anaerobes sickle cell - salmonella fishermen - mycobacterium marinum HIV - candida ```
163
what is the pathophysiology of osteomyelitis ?
``` starts at metaphysis vascular stasis and acute inflammation suppuration increased pressure release of pressure into joint/subperiosteal/medulla necrosis of bone - sequestrum new bone formation - involucrum resolution ```
164
what are clinical features of osteomyelitis in infants ?
``` may be minimal or very ill failure to thrive drowsy/ irritable metaphyseal tenderness and swelling decreased ROM positional change commonest round knee ```
165
what are clinical features of osteomyelitis in children ?
``` severe pain reluctant to move/weight bear tender fever and tachycardia malaise toxaemia ```
166
what are clinical features of acute osteomyelitis in adults ?
primary OM commonly thoracolumbar spine backache history of UTI/ urological procedure elderly, diabetic, immunocompromised secondary more common - open fracture, surgery
167
how do you investigate osteomyelitis ?
``` history and exam FBC - neutrophil leucocytosis ESR, CRP blood cultures X3 U+Es xray, USS, aspiration bone scan, MRI ```
168
what are differential bone diagnoses to osteomyelitis ?
``` acute septs arthritis acute inflammatory arthritis trauma transient synovitis rarely - sickle cell, Gaucher's, rheumatic fever, haemophilia ```
169
what are differential skin conditions to osteomyelitis ?
``` cellulitis erysipelas necrotising fasciitis gas gangrene toxic shock ```
170
what do radiographs show in
early - minimal changes | 10-20 days

MSK (29 decks)

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