Flaccid paralysis

Definition

Flaccid paralysis is a neurological condition characterized by weakness or loss of muscle tone without other obvious causes such as trauma. It often results from damage to motor neurons, leading to an inability for muscles to contract.

5 Must Know Facts For Your Next Test

1. Flaccid paralysis is commonly associated with infections like botulism and polio.
2. The condition can result from toxins produced by Clostridium botulinum bacteria, which inhibit acetylcholine release at neuromuscular junctions.
3. Poliovirus targets the anterior horn cells of the spinal cord, leading to flaccid paralysis.
4. Diagnosis often involves electromyography (EMG) and nerve conduction studies to assess muscle activity and neuron function.
5. Treatment may include antitoxins for botulism or supportive care such as respiratory assistance for severe cases.

Review Questions

Related terms

Botulism: A serious illness caused by Clostridium botulinum toxin, leading to muscle paralysis.

Poliomyelitis:

A viral disease caused by poliovirus, resulting in inflammation of motor neurons and potential flaccid paralysis.

Neuromuscular Junction: A synapse between a motor neuron and a muscle fiber where neurotransmission occurs.