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WalidoNeuroPedia

@NeuroWalid

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Empowering Neuro Education: Tips, research updates & book recommendations for Neuro residents, students & specialists. Unlocking brain mysteries! 🧠🔔 #Neurotip

Canada
Joined April 2024
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@NeuroWalid
WalidoNeuroPedia
3 days
GIVE AWAY🚨 I WILL GIVE AWAY one amazing MDF reflex hammer from my collection by a draw. How to win?! Follow me and Qoute this tweet with any #neurotip you know/love Draw time: Oct 17th (my birthday) or once hit 100 quotes. #neurotwitter #stroke #neurology
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Decerbate vs Decorticate posturing with associated lesions. #neurotip #neurotrauma #neuroanatomy #neurotwitter
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Cervical radiculopathy and associated exam: #neurotip #neuromuscular
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Emergency Management of Status Epilepticus #epilepsy #neurotip
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Internal carotid artery segments by @neudrawlogy
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#neurotip : GBS associated with Campylobacter jejune is more severe than BGS caused by other triggers as it tends to have more motor involvement. #neuromuscular
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Upper extremity neuro exam #neurotip #neuromuscular
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As shown below, Evan's index is used to support the diagnosis of normal pressure hydrocephalus. NPH triad: cognitive decline, gait abnormality, and urinary incontinence. #neurotip #dementia #neuroradiology
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Taste innervation of the tongue: #neurotip #neuromuscular
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#NeuroTip : S1 radiculopathy often presents with low back pain radiating down the back of the leg into the foot, weakness in ankle plantar flexion, and reduced sensation along the leg’s posterior side and the foot's lateral edge. The Achilles reflex is typically diminished or
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Erb's (Duchenne Erb) palsy results from neuronal damage to the upper C5 & C6 nerves. Klumpke’s (Dejerine-Klumpke) palsy causes paralysis of the forearm & hand muscles as a result of mechanical damage to the lower C8 & T1 nerves. #Neurotip : most cases of neonatal Erb's palsy
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Consequence of rapid changes in plasma sodium concentration. #neurotip Found by @yasmeenx_MD
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Indication and contraindication of tPA treatment of stroke. #neurotip #stroke
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Autoimmune encephalitides #neurotip By @teachplaygrub
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Efferent pathway of the frontal eye field:
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The swallowtail sign is the normal appearance of the substantia nigra in the midbrain. Absence of the swallowtail sign might indicate Parkinson's disease. #neurotip #neuroradiology #dementia #neuromovement
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Molar teeth sign: indicate the presence of prominent superior cerebellar peduncles. This MRI finding is pathognomic for Joubert syndrome which is an Autosomal recessive neurologic disorder characterized by cerebellar vermis hypoplasia resulting in ataxia, polydactyly, hypotonia,
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One-and-a-half syndrome is characterized by ipsilateral horizontal gaze palsy and an ipsilateral internuclear ophthalmoplegia.
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Lumbar puncture and bleeding risk. Save this tweet to be safe for your next LP! #neurotip
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Remember that sensory action potentials are intact in patients with radiculopathy due to a lesion proximal to the root ganglion with a distal cell body and axon. #neurotip #neurotwitter
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Gaint Panda sign is an MRI findings thst can be seen in patient with Wilsons disease. - high signal intensity of the tegmentum - normal hypointense red nuclei forming the eyes, - preserved signal intensity of the substantia nigra pars reticulata forming the ears - hypointensity
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Lewy body dementia infographic #neurocognition #neurotip
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#NeuroTip : The Froment sign is a clinical test for ulnar nerve dysfunction. When a patient attempts to pinch a piece of paper between their thumb and index finger, flexion of the thumb at the IP joint indicates weakness of the adductor pollicis, suggesting ulnar nerve compromise.
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Transverse Myelitis #neurotip #neuromuscular
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Management algorithm for Cerebral Venous Thrombosis: #neurotip #stroke
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Epidural Hematoma guidelines! by @thecalgaryguide #neurotip #neurotrauma
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Nicely explained! The cremasteric reflex is triggered by stimulating the anterior thigh, leading to the ipsilateral elevation of the scrotum via the cremaster muscle. The involved nerves and spinal cord level are detailed below. #neurotip #neuromuscular
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Red flags for low back pain that warrant neuroimaging: #neurotip #neuromuscular
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Cervical dystonia classification: caput and Collis concepts. #neurotip #neuromovement
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Hockey 🏒 stick sign: It refers to the hyperintense signal involving the pulvinar and dorsomedial thalamic nuclei bilaterally on FLAIR, in cases of variant Creutzfeldt-Jakob disease, which has the shape of a hockey stick. #neurotip #neuroradiology #neurocognitive @NeuroWalid
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Hot Cross Bun and Putaminal Rim Sign both seen in patients with Multiple system atrophy. #neuromovement #neurotip #neuroradiology
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Myoclonus status epilepticus vs. Lance-Adma syndrome #neurotip #epilepsy
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Differential Dx of subacute myelopathy #neurotip
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Normal Pressure Hydrocephalus NPH: #neurotip #dementia #neuroradiology
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Tremors & Involuntary Movements #neurotip #dementia #neuromovement
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Brain death: pathogenesis, assessment, and clinical findings by Calgary Guide. #neurotip
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CT early signs of stroke #neurotip #stroke
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Myasthenia Gravis: pathogenesus and clinical findings. #neurotip #neuropathology #neuromuscular #NeuroTwitter
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Meralgia paraesthetica: Prognosis and clinical finding by Cagary guide. #neurotip #neurotwitter
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Types of cerebral palsy: #neurotip #neuromovement
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#NeuroTip : The pudendal nerve, originating from S2-S4, provides motor and sensory innervation to the perineum. Injury, often from compression or trauma, can lead to pudendal neuropathy, causing neuropathic pain and allodynia in its territory. #neuromuscular
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Neurocysticercosis is a leading cause of epilepsy in endemic regions. Remember to consider it in patients with new-onset seizures, especially with a history of travel to or residence in areas where Taenia solium is prevalent. Early detection is key! #NeuroTip #MedEd
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Cervical radiculopathy summary #neurotip #neuromuscular @NeuroWalid
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Shuddering attacks are a benign condition seen in infants and young children. They involve shivering movements with bilateral fine tremors, sometimes accompanied by stiffening of the upper limbs. The cause is thought to be linked to CNS immaturity. If recorded on EEG, myogenic
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Dawson fingers: Multiple sclerosis Radiographic feature of demyelination characterized by Periventricular demyelinating plaques distributed along the axis of medullary veins Perpendicular to the body of the lateral ventricles and/or callosal junction. #neurotip
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Marchiafava–Bignami Disease is a rare condition typically marked by demyelination and necrosis of the corpus callosum. It can result from chronic alcoholism or malnutrition. Symptoms often include non-specific motor or cognitive issues, hemispheric disconnection syndrome (such as
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Oligoclonal bands are immunoglobulins. Their presence in the CSF indicates CNS inflammation. Sensitive but not specific for multiple sclerosis. They can be found in the list of diseases below. It must be compared to CSF electrophoresis. #Neurotip
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Stroke in the young diagnostic algorithm: #Neurotip #stroke
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Neuromuscular Junction (NMJ): physiology, pathology and pharmacology by Calgary guide. #neuromuscular #neurotip #neuropharmacology
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Check out this visual guide on Tauopathy, α-Synucleinopathy, and Amyloidopathy Aβ! 📊 🔬 Protein Involved 🧩 Diseases 🗺️ Brain Locations 🧬 Pathology 📦 Cellularity Made by me, support with a retweet! #neurocognition #neurotip #neuromovement @neurowalid
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Classification of nerve fibers: #neurotip
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CSF analysis guide: #neuroinfection #neurotip
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Baclofen MOA is GABA b receptor agonist. Used to treat spasticity. #neurotip #neuropharmacology
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House-Brackmann scale of facial nerve dysfunction. #neurotip #neurology @NeuroWalid
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Parkinsonism-hyperpyrexia syndrome: caused by abrupt discontinuation of therapy. Diagnosis and Mx: #neurotip #neuropharmacology #neuromovement
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MRI findings of progressive supranucelar palsy: 1- Midbrain atrophy (Hummingbird/penguin sign is in sagittal view and Morning Glory/ Mickey mouse sign in axia view) 2- Quadrigeminal plate atrophy 3- Pons atrophy 4- Cerebellar atrophy #neurotip #neuromovement @NeuroWalid
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FDA has approved 3 vesicular monoamine transporter (VMAT) 2 inhibitors to treat chorea in Huntington patients: 1- Tetrabenazine 2008 2- Deutetrabenazine 2023 3- Valbenazine 2023 #neurotip #neuromovement
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Carpal Tunnel syndrome: pathogenesis and clinical finding findings by Calgary Guide. #Neurotip #neuromuscular
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The key difference between neurogenic and non-neurogenic orthostatic hypotension is heart rate. In neurogenic orthostatic hypotension, the HR minimally changes compared to non-neurogenic etiologies. #neurotip #neuromuscular
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Riddoch phenomenon, also known as statokinetic dissociation, refers to the preserved ability to perceive motion in a patient with cortical blindness. These patients are not able to distinguish any other features of that object in their blind visual field. Riddoch phenomenon is
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Polymyalgia Rheumatica by JAMA #neurotip Full article:
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Anti-MUSK vs Anti-ACh receptors Myasthenia Gravis: #neurotip #neuromuscular
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Abnormal breathing patterns and possible localizations. #neurotip
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CREUTZFELDT-JAKOB DISEASE: pathogenesis and clinical findings by the Calgary guide #neurotip #neurocognition @NeuroWalid
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Red flags symptoms with low back pain: #neurotip #neuromuscular
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Single-fiber EMG is 97% sensitive in ocular myasthenia gravis, and 99% sensitive in generalized myasthenia gravis. #neurotip #neuromuscular
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Anisocoria greater in the light: parasympathetic pathway lesion. Anisocoria greater in the dark: sympathetic pathway lesion. Approach to anisocoria: #neuroanatomy #neurotip @neurowalid
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Non-ketotic hyperglycemia seen in Diabetic type 2 patients can cause rare basal ganglia dysfunction that can present with hemiballism. Appear as hyperintense lesion in T1, DWI and SWI and iso/hyper/hypointense in T2. Symptoms resolve with normalization of blood sugar.
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dextromethorphan/quinidine (Nuedexta) is FDA-approaved for the treatment of pseudobulbar affect seen in ALS patients. SSRI and SNRI are rsed off-label too. The mechanism of action of dextromethorphan/quinidine in the treatment of PBA is unknown. #neurotip #neuromuscular
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Eyelid myokymia vs. Blepherospasm vs. Hemifacial spasm. #Neuromovement #Neurotip
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Here, how you can differentiate between normal and abnormal. #neurotip #neuroradiolpgy #neuromovement Source:
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Look at what I found today in my patient MRI!!
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Fazekas scale is used to grade white matter disease. Mostly for research purposes.
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Delirium vs. Dementia #neurotip #neurocognition
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Psychogenic nonepileptic seizures (PNES) are events thought to have mainly psychologic origins. They clinically mimic epileptic seizures or syncope but are not associated with abnormal neuronal activity or reduced perfusion to the brain #neurotip #epilepsy
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Types of brain diffusion axonal injuries #neurotip #neurotrauma
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@OGdukeneurosurg To late for tetanus vaccine. 🙊
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Transient edema with restricted diffusion in the cerebellum, hippocampus, and basal nuclei can be observed on MRI in patients with illicit drug intoxication. The prognosis is variable. Cerebellar Hippocampal and Basal Nuclei Transient Edema with Restricted diffusion ( #CHANTER )
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Fevers with altered mental status emergencies. Tweeted by @OGdukeneurosurg #neurotip #neuroemergency #neuropharmacology
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Aesthetic 🤍
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Diagnostic algorithm of delirium. #neurotip #neurocognition
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Deep brain stimulation targets: #neurotip
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Huntington's disease (HD) is a neurodegenerative disorder marked by a gradual combination of psychiatric issues, cognitive decline, and abnormal movements. It is an autosomal-dominant condition resulting from an expansion of CAG trinucleotide repeats in the huntingtin gene (HTT)
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Solid vs. fluid biopsy in neuro-oncology #neurooncology #neurotip @NeuroWalid
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Carpal tunnel syndrome summary #neurotip #neuromuscular
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Psychological disorders with their cutoff duration needed for diagnosis. By Amboss #neurotip #neuropsychology
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Parkinsonism classification: #neuromovement #neurotip Abbreviation: FTDP-17=frontotemporal dementia with parkinsonism. Heredodegenerations: pantothenate kinase-associated neurodegeneration; Huntington’s disease; Wilson’s disease; spinocerebellar atrophy. FTLD-U=frontotemporal
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Alzheimer's disease variants: #neurotiip #neurocoginition #dementia
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Classification of palatal tremor: NB: symptomatic PT is caused by the disruption of the dentato-rubro-olivary pathway. It can be associated with hypertrophic olivary degeneration. #neurotip #neuromovement @NeuroWalid
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Lumbar puncture infographic: #neurotip By: @neudrawlogy
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Donald Duck Sign---> Rhombencephalosynapsis 📋 Rhombencephalosynapsis: - Rhombencephalosynapsis is a rare congenital (present from birth) condition affecting the cerebellum, a part of the brain responsible for coordinating movement and balance. - The vermis is the central part
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