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Myasthenia Gravis ll: Pathophysiology

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The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...

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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
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Related Experiment Video

Updated: Jul 2, 2026

Muscle Velocity Recovery Cycles to Examine Muscle Membrane Properties

Muscle Velocity Recovery Cycles to Examine Muscle Membrane Properties

Published on: February 19, 2020

Critical illness myopathy.

B Bhattarai¹, A H Kulkarni, R K Ranjan

¹Department of Anesthesiology, Kasturba Medical College, Mangalore, India. basantbhattarai@yahoo.com

Kathmandu University Medical Journal (KUMJ)

|September 5, 2008

Summary

This summary is machine-generated.

Critical illness myopathy can cause ventilator weaning failure. This case report highlights a postpartum patient successfully weaned after ruling out other causes, demonstrating effective management of this condition.

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A Preclinical Model of Sepsis-Induced Myopathy with Disuse in Mice

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Last Updated: Jul 2, 2026

Muscle Velocity Recovery Cycles to Examine Muscle Membrane Properties

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Published on: February 19, 2020

A Preclinical Model of Sepsis-Induced Myopathy with Disuse in Mice

A Preclinical Model of Sepsis-Induced Myopathy with Disuse in Mice

Published on: June 14, 2024

Area of Science:

Critical care medicine
Neuromuscular disorders

Background:

Critical illness myopathy (CIM) is a significant contributor to prolonged mechanical ventilation.
Diagnosis requires excluding other causes of weaning failure, such as dyselectrolytemia.

Observation:

A postpartum patient experienced persistent failure to wean from mechanical ventilation despite multiple attempts.
Initial assessments ruled out common causes for weaning failure.

Findings:

The patient was diagnosed with critical illness myopathy after extensive evaluation.
Interventions targeting CIM led to successful weaning from the ventilator.

Implications:

This case underscores the importance of considering CIM in ventilator-dependent patients.
Early recognition and management of CIM can improve patient outcomes and facilitate discharge from intensive care.