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Botulism (Diagnosis (History (SH
Living arrangements, occupation,
…
Botulism
Diagnosis
Examination
Limbs
LMN limb weakness, hypotonia, loss of reflexes,
may have sensory loss
Cranial nerves
Ptosis, squint
Fixed pupils
Dysphagia, weak tongue
Investigations
Bloods
FBC, CRP, blood cultures
U+E, LFTs
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Bedside
Obs (bradycardia, hypotension)
ECG (bradycardia)
History
SH
Living arrangements, occupation,
smoking, alcohol, drugs
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PC/HPC
N+V, abdo pain, visual change,
muscle weakness/paralysis, sensory,
recent food ingestion, infections, illness
Pathophysiology
Mechanism
Exotoxin released, blocks ACh at synapses
Incubation 12-72h
Sensory and motor paralysis
Agent
Bacterium C. botulinum ingested from
tinned/preserved food e.g. sausage, salmon;
rarely, via wounds or IVDU
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Management
Definitive
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Conservative
Information, advice, support
Admit, inform ITU and micro
Inform PHE
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