Neuromuscular Junction Disorder EMG | Baamboozle - Baamboozle

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1) Which condition will give this result 2) what is the mechanism for this phenomenon?

1) Eaton-Lambert 2) surge in Ca++ in presynaptic terminal

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In this phenomenon, increased CMAP amplitudes are seen with repetitive stimulation (after subsequent stimulation) due to better SYNCHRONY of muscle fibers action potentials.

Pseudofacilitation

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This condition is caused by deficiency in presynaptic ACH release.

Botulinum toxin/Eaton- Lambert Myasthenic Syndrome

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Which NMJ condition is associated with very low CMAP amplitude on NCS?

Eaton-Lambert Myasthenic syndrome

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This condition of general weakness and fatique is associated with thymoma

Myasthenia Gravis

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This phenomenon occurs after high rates of stimulation (20-50HZ) or tetanic contraction

Post-tetanic facilitation or potentiation

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This condition is characterized by antibodies against voltage gated Ca++ channels in the NMJ.

Eaton Lambert Syndrome

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Which NMJ disorder usually spares bulbar and extraoccular muscles?

Eaton-Lambert Syndrome

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What % is considered significant?

10% decrement

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In this condition, ACHesterase inhibitor (Edrophonium) reverses weakness.

Myasthenia Gravis

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This terminology describes the phenomenon when there is so much jitter that the second potential doesn't show up.

Blocking

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Which NMJ condition is associated with small cell lung cancer

Eaton-Lambert Syndrome

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