gangguan saraf tepi
TRANSCRIPT
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GANGGUAN SARAF TEPI
Susunan saraf perifer meliputi :1. Susunan saraf somatis
2. Susunan saraf otonom
- Susunan saraf simpatis
- Susunan saraf parasimpatis
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Pola pokok bagian perifer susunan
somentesia → pola pokok bagian perifer susunan somatosensorik.
Tiap segmen medulla spinalis
- Serabut aferen (radiks ventralis)
- Serabut eferent (radiks dorsalis)
↓
Saraf Spinalis → saraf & kulit tertentu
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Tiap saraf perifer lengan dan tungkai mengandungserabut dari beberapa saraf spinal jalinan yangdibentuk → pleksus
Serviko torakal → pleksus brakhialis → lengan
lumbosakral → pleksus lumbosakralis → tungkai Berbagai keadaan patologik dapat → kelainan saraf
tepi
Kelainan tersebut secara umum : Difisiensi kelenjar
metabolisme, intoksiasi, alergi, infeksi, penyakitketurunan, iskemik dan kompresi → pembuluh initidak menyebabkan mekanisme patologik maupunlesi anatomi
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POLINEUROPATI
Pengertian :
Suatu kerusakan pada saraf tepi secara simetrikdengan gangguan motorik, sensorik dan vegetatif yang biasanya lebih berat dibagian distal daripada bagian proksimal bdan. Saraf otak dansusunan saraf pusat kadang – kadang ikutterserang
☺ Gangguan motorik tdk selalu sejajar dengan
gangguan sensorik☺ Pd Neuropati motorik→gangguan motorik ››
Neuropati sensorik→gangguan sensorik››
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PEMBAGIAN
1. Berdasarkan gejala klinis yg menonjol :
♠ Neuropati motorik
♠ Neuropati sensorik♠ Neuropati otoom
♠ Neuropati gbgn
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Menurut distribusi anatomis :
♥ Neuropati distal & simetris pd anggota
(Polineuropati)♥ Mononeuropati
♥ Mononeuropati multipleks
♥ Neuropati terbatas (brachial neuropati)
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3. Berdasarkan onset & perjalanan penyakit
☼ Neuropati akut
☼ Neuropati subakut☼ Neuropati kronik
☼ Neuropati berulang
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4. Neuropati berdasarkan jumlah patologik :
☻ Aksopati
☻ Myelinopati☻ Dan lain - lain