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ICU aquired weakness (Risk factors (Steroids, Neuromuscular blocking…
ICU aquired weakness
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Diagnosis
Investigations
Bloods
FBC, CRP, U+E, LFT, TFTs,
CK (mildly raised)
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Examination
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Limb exam
Proximal weakness, wasting, reduced reflexes
Periperal parasthesia (touch, pain)
History
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SH
Living arrangements, occupation,
diet, alcohol, smoking, drugs
PC/HPC
Recent prolonged ITU stay, mechanical
ventilation, coma/reduced conciousness,
treatment recieved, any malnutrition or sepsis
Pathophysiology
Defect
Prolonged mechanical ventilation
and lack of use of resporatory muscles
Starts 1w into critical illness
Mechanism
Immobility and catabolism leads to
mt dysfunction, Na channelopathy and ischemia
Reduced function of muscles and sensory nerves
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Management
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Conservative
Information, advice, support
Monitoring (obs, glucose, electrolytes)
PT/OT (early mobilisation, strength)
Electrical muscle stimulation
Optimal nutrition
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