Neurogenic shock - Revision history

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2025-04-08T06:23:10Z

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← Older revision		Revision as of 06:23, 8 April 2025
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			{{SI}}
			{{Infobox medical condition
			\| name = Neurogenic shock
			\| image = [[File:Cervical_Spine_MRI_(T2W).jpg]]
			\| caption = MRI of the cervical spine, which can be involved in neurogenic shock
			\| field = [[Emergency medicine]]
			\| symptoms = [[Hypotension]], [[bradycardia]], [[warm skin]]
			\| complications = [[Organ failure]], [[death]]
			\| onset = Sudden
			\| duration = Variable
			\| causes = [[Spinal cord injury]], [[trauma]]
			\| risks = [[Cervical spine injury]], [[high thoracic spine injury]]
			\| diagnosis = [[Clinical diagnosis]], [[imaging studies]]
			\| differential = [[Hypovolemic shock]], [[septic shock]], [[cardiogenic shock]]
			\| prevention = [[Spinal precautions]], [[early stabilization]]
			\| treatment = [[Intravenous fluids]], [[vasopressors]], [[atropine]]
			\| prognosis = Variable, depends on severity and treatment
			\| frequency = Rare
			}}
	{{Short description\|A type of shock resulting from spinal cord injury}}		{{Short description\|A type of shock resulting from spinal cord injury}}
	~~{{Use dmy dates\|date=October 2023}}~~

	~~==Neurogenic Shock==~~
	~~[[File:Cervical_Spine_MRI_(T2W).jpg\|thumb\|right\|MRI of the cervical spine, often involved in neurogenic shock]]~~
	Neurogenic shock is a type of [[distributive shock]] that occurs when there is a sudden loss of signals from the [[sympathetic nervous system]] that maintain the normal muscle tone in blood vessel walls. This condition is most commonly associated with [[spinal cord injury]], particularly injuries to the cervical or upper thoracic spine.		Neurogenic shock is a type of [[distributive shock]] that occurs when there is a sudden loss of signals from the [[sympathetic nervous system]] that maintain the normal muscle tone in blood vessel walls. This condition is most commonly associated with [[spinal cord injury]], particularly injuries to the cervical or upper thoracic spine.

	===Pathophysiology===		===Pathophysiology===
	Neurogenic shock results from the disruption of the autonomic pathways within the spinal cord. The loss of sympathetic tone leads to unopposed [[parasympathetic nervous system]] activity, resulting in widespread [[vasodilation]], decreased [[systemic vascular resistance]], and subsequent [[hypotension]]. The heart rate may also be affected, leading to [[bradycardia]] due to the lack of sympathetic stimulation.		Neurogenic shock results from the disruption of the autonomic pathways within the spinal cord. The loss of sympathetic tone leads to unopposed [[parasympathetic nervous system]] activity, resulting in widespread [[vasodilation]], decreased [[systemic vascular resistance]], and subsequent [[hypotension]]. The heart rate may also be affected, leading to [[bradycardia]] due to the lack of sympathetic stimulation.

	===Causes===		===Causes===
	The primary cause of neurogenic shock is acute spinal cord injury, particularly at the cervical or high thoracic levels. Other causes may include severe head injury or conditions that affect the autonomic nervous system.		The primary cause of neurogenic shock is acute spinal cord injury, particularly at the cervical or high thoracic levels. Other causes may include severe head injury or conditions that affect the autonomic nervous system.

	===Symptoms===		===Symptoms===
	Patients with neurogenic shock may present with:		Patients with neurogenic shock may present with:
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	* Reduced [[cardiac output]]		* Reduced [[cardiac output]]
	* Possible [[respiratory failure]] if the injury affects the diaphragm		* Possible [[respiratory failure]] if the injury affects the diaphragm

	===Diagnosis===		===Diagnosis===
	Diagnosis of neurogenic shock is primarily clinical, based on the presence of hypotension and bradycardia following a spinal cord injury. Imaging studies, such as [[MRI]] or [[CT scan]], are used to assess the extent of spinal cord damage.		Diagnosis of neurogenic shock is primarily clinical, based on the presence of hypotension and bradycardia following a spinal cord injury. Imaging studies, such as [[MRI]] or [[CT scan]], are used to assess the extent of spinal cord damage.

	===Management===		===Management===
	The management of neurogenic shock involves:		The management of neurogenic shock involves:
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	* [[Atropine]] may be used to treat bradycardia		* [[Atropine]] may be used to treat bradycardia
	* Monitoring and support of respiratory function		* Monitoring and support of respiratory function

	==Prognosis==		==Prognosis==
	The prognosis of neurogenic shock depends on the severity and level of the spinal cord injury. Early recognition and management are crucial to prevent complications and improve outcomes.		The prognosis of neurogenic shock depends on the severity and level of the spinal cord injury. Early recognition and management are crucial to prevent complications and improve outcomes.
			==See also==
	==~~Related pages~~==
	* [[Spinal cord injury]]		* [[Spinal cord injury]]
	* [[Shock (circulatory)]]		* [[Shock (circulatory)]]
	* [[Autonomic nervous system]]		* [[Autonomic nervous system]]

	[[Category:Medical emergencies]]		[[Category:Medical emergencies]]
	[[Category:Neurology]]		[[Category:Neurology]]
	[[Category:Traumatology]]		[[Category:Traumatology]]

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2025-02-16T06:48:53Z

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← Older revision		Revision as of 06:48, 16 February 2025
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	~~'''Neurogenic shock''' is a~~ type of [[shock~~]] that results from the sudden loss of signals~~ from ~~the [[autonomic nervous system]] that maintain the normal muscle tone in blood vessel walls. This can lead to severe [[low blood pressure]].~~		{{Short description\|A type of shock resulting from spinal cord injury}}
			{{Use dmy dates\|date=October 2023}}

	== ~~Causes~~ ==		==Neurogenic Shock==
	~~Neurogenic shock can be caused by severe~~ [[~~central nervous system~~]] ~~damage, such as~~ [[~~spinal cord injury~~]] or [[~~brain injury~~]]. ~~Other causes can include~~ [[spinal ~~anesthesia~~]], ~~[[neurological diseases]], and certain [[drugs]]~~.		[[File:Cervical_Spine_MRI_(T2W).jpg\|thumb\|right\|MRI of the cervical spine, often involved in neurogenic shock]]
			Neurogenic shock is a type of [[distributive shock]] that occurs when there is a sudden loss of signals from the [[sympathetic nervous system]] that maintain the normal muscle tone in blood vessel walls. This condition is most commonly associated with [[spinal cord injury]], particularly injuries to the cervical or upper thoracic spine.

	== ~~Symptoms~~ ==		===Pathophysiology===
	~~Symptoms~~ of ~~neurogenic shock can include~~ [[~~hypotension~~]], [[~~bradycardia~~]], ~~and [~~[~~hypothermia]]. Other symptoms can include~~ [~~[nausea~~]], [[~~vomiting~~]], ~~and~~ [[~~fainting~~]].		Neurogenic shock results from the disruption of the autonomic pathways within the spinal cord. The loss of sympathetic tone leads to unopposed [[parasympathetic nervous system]] activity, resulting in widespread [[vasodilation]], decreased [[systemic vascular resistance]], and subsequent [[hypotension]]. The heart rate may also be affected, leading to [[bradycardia]] due to the lack of sympathetic stimulation.

	== ~~Diagnosis~~ ==		===Causes===
	~~Diagnosis~~ of neurogenic shock is ~~typically based on~~ the ~~presence of characteristic symptoms and a history of a recent event~~ that ~~could have caused damage to~~ the ~~central~~ nervous system~~. Additional tests may be performed to confirm the diagnosis and to rule out other possible causes of the symptoms~~.		The primary cause of neurogenic shock is acute spinal cord injury, particularly at the cervical or high thoracic levels. Other causes may include severe head injury or conditions that affect the autonomic nervous system.

	== ~~Treatment~~ ==		===Symptoms===
	~~Treatment of~~ neurogenic shock ~~typically involves addressing~~ the ~~underlying cause of~~ the shock, such as repairing a spinal cord injury or treating a neurological disease. Medications may be used to help maintain blood pressure and heart rate. In severe cases, hospitalization may be required.		Patients with neurogenic shock may present with:
			* [[Hypotension]]
			* [[Bradycardia]]
			* Warm, dry skin due to vasodilation
			* Reduced [[cardiac output]]
			* Possible [[respiratory failure]] if the injury affects the diaphragm

	== ~~See also~~ ==		===Diagnosis===
			Diagnosis of neurogenic shock is primarily clinical, based on the presence of hypotension and bradycardia following a spinal cord injury. Imaging studies, such as [[MRI]] or [[CT scan]], are used to assess the extent of spinal cord damage.

			===Management===
			The management of neurogenic shock involves:
			* Stabilization of the spine to prevent further injury
			* Administration of intravenous fluids to maintain blood pressure
			* Use of [[vasopressors]] to counteract vasodilation
			* [[Atropine]] may be used to treat bradycardia
			* Monitoring and support of respiratory function

			==Prognosis==
			The prognosis of neurogenic shock depends on the severity and level of the spinal cord injury. Early recognition and management are crucial to prevent complications and improve outcomes.

			==Related pages==
	* [[Spinal cord injury]]		* [[Spinal cord injury]]
	* [[Brain injury]]
	* [[Shock (circulatory)]]		* [[Shock (circulatory)]]
	* [[Autonomic nervous system]]		* [[Autonomic nervous system]]

	[[Category:Medical emergencies]]		[[Category:Medical emergencies]]
	[[Category:~~Neurological disorders~~]]		[[Category:Neurology]]
	[[Category:~~Cardiovascular diseases~~]]		[[Category:Traumatology]]

	~~{{stub}}~~

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2024-02-24T19:58:35Z

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New page

'''Neurogenic shock''' is a type of [[shock]] that results from the sudden loss of signals from the [[autonomic nervous system]] that maintain the normal muscle tone in blood vessel walls. This can lead to severe [[low blood pressure]].

== Causes ==
Neurogenic shock can be caused by severe [[central nervous system]] damage, such as [[spinal cord injury]] or [[brain injury]]. Other causes can include [[spinal anesthesia]], [[neurological diseases]], and certain [[drugs]].

== Symptoms ==
Symptoms of neurogenic shock can include [[hypotension]], [[bradycardia]], and [[hypothermia]]. Other symptoms can include [[nausea]], [[vomiting]], and [[fainting]].

== Diagnosis ==
Diagnosis of neurogenic shock is typically based on the presence of characteristic symptoms and a history of a recent event that could have caused damage to the central nervous system. Additional tests may be performed to confirm the diagnosis and to rule out other possible causes of the symptoms.

== Treatment ==
Treatment of neurogenic shock typically involves addressing the underlying cause of the shock, such as repairing a spinal cord injury or treating a neurological disease. Medications may be used to help maintain blood pressure and heart rate. In severe cases, hospitalization may be required.

== See also ==
* [[Spinal cord injury]]
* [[Brain injury]]
* [[Shock (circulatory)]]
* [[Autonomic nervous system]]

[[Category:Medical emergencies]]
[[Category:Neurological disorders]]
[[Category:Cardiovascular diseases]]

{{stub}}