Cholinergic crisis

Cholinergic crisis
Synonyms
Pronounce	N/A
Specialty	N/A
Symptoms	Muscle weakness, fasciculations, sweating, salivation, lacrimation, diarrhea, miosis, bradycardia, bronchospasm, seizures
Complications	Respiratory failure, cardiac arrest
Onset	Rapid
Duration	Variable, depending on treatment
Types	N/A
Causes	Overdose of cholinesterase inhibitors, organophosphate poisoning
Risks	Use of acetylcholinesterase inhibitors, exposure to organophosphates
Diagnosis	Clinical evaluation, history of exposure
Differential diagnosis	Myasthenic crisis, organophosphate poisoning, botulism
Prevention	Avoidance of excessive cholinesterase inhibitors, proper handling of organophosphates
Treatment	Atropine, pralidoxime, supportive care
Medication	Atropine, pralidoxime
Prognosis	Variable, can be life-threatening if untreated
Frequency	Rare
Deaths	N/A

A cholinergic crisis is a medical condition characterized by overstimulation of the parasympathetic nervous system due to an excess of acetylcholine. This can lead to a range of symptoms affecting various bodily functions.

Causes

Cholinergic crises can be caused by various factors, including:

• Overdose of cholinergic medications such as acetylcholinesterase inhibitors
• Exposure to certain toxins or chemicals that affect acetylcholine levels
• Certain medical conditions that disrupt the normal balance of acetylcholine in the body

Symptoms

Symptoms of a cholinergic crisis may include:

• Excessive salivation
• Sweating
• Nausea and vomiting
• Diarrhea
• Blurred vision
• Muscle weakness
• Difficulty breathing
• Bradycardia (slow heart rate)

Diagnosis

Diagnosing a cholinergic crisis involves a thorough medical history, physical examination, and possibly laboratory tests to assess acetylcholine levels in the body.

Treatment

Treatment of a cholinergic crisis typically involves:

• Discontinuation of any cholinergic medications
• Supportive care to manage symptoms such as breathing difficulties and heart rate abnormalities
• Administration of antidotes such as atropine to counteract the effects of excess acetylcholine

Prevention

Preventing a cholinergic crisis involves careful monitoring of medication dosages, avoiding exposure to toxins that affect acetylcholine levels, and managing underlying medical conditions that may contribute to the condition. For more information on related topics, please refer to the following articles:

• Acetylcholine
• Parasympathetic nervous system
• Acetylcholinesterase inhibitors