948 results
Tongue Fasciculations Secondary to Hypoglossal Nerve Damage

Most commonly associated with ALS - This LMN XII was
Tongue Fasciculations ... camwolfe #Tongue #Fasciculations ... HypoglossalNerve #CNXII #CN12
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
weakness, wasting and fasciculations ... tongue #atrophy #fasciculations ... hypoglossal #CNXII #CN12
Tongue Fasciculations in Left Hypoglossal Nerve Palsy

- Atrophy of affected side
- Fasciculations
- Tongue deviates towards weak
Tongue Fasciculations ... affected side - Fasciculations ... side #Tongue #Fasciculations ... #Palsy #CNXI #CN12
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
deviation, and fasiculations ... Remember: atrophy and fasiculations ... NateWarnerMD #Tongue #Fasciculations ... HypoglossalNerve #CNXII #CN12
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
- Differential Diagnosis ... Neuropathy - Atrophy, Fasciculations ... #Differential #Diagnosis
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
clonus and muscle fasciculations ... consistent with a diagnosis
Motor and Reflex Grading (0-5)

Motor Strength Grading

5	Normal

4	Reduced, moves against resistance

3	Moves against gravity

2	Moves only with elimination of
of gravity 1 Fasciculation ... Scoring #Grades #Diagnosis
Upper Versus Lower Motor Neuron Findings

Denervation near the target muscle fibers (lower motor neuron disease) results
activity produces fasciculation ... Versus #Findings #Diagnosis
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
- Differential Diagnosis ... Neuropathy - Atrophy, Fasciculations ... #Differential #Diagnosis
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
others: NT5c1A/cN1A ... MSAs #clinical #diagnosis