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Belt of Fire, originate from, insert into, works to, include, include,…
Belt of Fire
Shingles
Varicella-zoster virus
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Direct contact, air droplets, saliva, mucus
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Extensors of Forearm
superficial layer
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3 posterior
extensor digitorium
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extends medial 4 digits at MCP, PIP ,DIP joints
extensor digiti minimi
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extends 5th digit at MCP, PIP ,DIP joints
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all innervated by radial nerve #
deep layer
1 short
supinator
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lateral, posterior & anterior surface of radius
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3 for thumb
abductor pollicis longus
posterior of ulna, radius & interosseous membrane
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Physiology of Pain
An unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage
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Shingles Therapy
Anti viral therapy
≤72 hours after onset
Antiviral therapy should be initiated within this time frame to maximize the potential benefits of treatment
there is likely minimal benefit of antiviral therapy in the patient who has lesions that have encrusted.
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management of PHN
Anticonvulsant
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MOA:
binding to the α2-δ site of the presynaptic voltage-gated calcium channels in the CNS, which inhibits excitatory neurotransmitter release including glutamate and substance P
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Antidepressants
MOA:
Inhibit the reuptake of norepinephrine, dopamine and serotonin in the central nervous system (increase the inhibition of pain signals).
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Topical formulations
Lidocane
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Applied to the skin, it can relieve itching, burning, and pain from inflammation.
Capsaicin
Activates the vanilloid receptor 1 (TRPV1).
Prevent release of excitatory neurotransmitters like substance P.
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