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Résumé Sd pyramidal

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je vous présente un résumé bref sur le sd pyramidal

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September 5, 2024
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Written in
2024/2025
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les 2 SD PYRAMIDAL
/NEUROGENE PERIPHERIQUE:

https://youtu.be/scSmJkRtI1Q?si=isos0jqFbsfeRt5U



sd pyramidale=motoneurone sd neurogene peripherique=motoneurone
central (motricité volontaire) péripherique(probl du snp)

paralysie elastique=revient a sa
position initiale/aug du tonus
muscl(lors de la phase aigue est
hypotonique)/aug de reflexe/test
babinski+ ce test ce fait a la
paralysie flasque=moux/diminution de tonus
pointe du pied en exitant la
musculaire/diminution de reflexe/le test babinski -/une
pointe par un outil non tranchant
atrophie musculaire /des fasciculation=contraction
il est + lorsque le gros orteil est
involontaire+fibrillations=⇒sont des signes pc
en eventail au lieu de se
flexer/pas d’atrophie musc/pad
de fasciculations et de
fibrillations/aug de ROT=⇒sont
les signes pc

signes fcts⇒faiblesse
motrice/sensation de signes fcts:faiblesse motrice/trble
contracture/trble de phonation sensitifs=parasthesie+anesthesie
deglutition

dc topographique:Lésion formes cliniques: selon le mode d’installation:aigue(-
corticale : hémiplégie de4sem)/subaigue(-de2mois)/chronique(en annee)ou
controlatérale à la lésion (++ forme topographiques:La plupart des syndromes
brachiofaciale si lésion externe / neurogènes
++ crurale si périphériques sont à la fois moteurs et sensitifs.
lésion interne) + association Atteintes purement motrices : déficit moteur,
fréquente à un déficit sensitif. amyotrophie, fasciculations, sans aucun déficit
⇒ Lésion non proportionnelle sensitif (Ex : Sd de la corne antérieure)
impure Atteintes purement sensitives : (Ex : attention
Lésion de la capsule interne : isolée du ganglion spinal
hémiplégie controlatérale à la
lésion (MS / MI / face) + pas de
déficit sensitif
associé.
⇒Lésion proportionnelle pure
Lésion du tronc cérébral :
hémiplégie controlatérale à la

lésion (MS / MI / face) + pas de
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