CT before lumbar puncture - Revision history

Neil.m.young: Text replacement - "==Source== " to "==References== "

2016-06-25T16:50:38Z

Text replacement - "==Source== <references/>" to "==References== <references/>"

← Older revision		Revision as of 16:50, 25 June 2016
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	*[[Lumbar Puncture]]		*[[Lumbar Puncture]]

	==~~Source~~==		==References==
	<references/>		<references/>

Ostermayer: Text replacement - "Category:Rads" to "Category:Radiology"

2016-03-22T16:15:10Z

Text replacement - "Category:Rads" to "Category:Radiology"

← Older revision		Revision as of 16:15, 22 March 2016
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	[[Category:Neurology]]		[[Category:Neurology]]
	[[Category:Procedures]]		[[Category:Procedures]]
	[[Category:~~Rads~~]]		[[Category:Radiology]]

Ostermayer: Text replacement - "Category:Neuro" to "Category:Neurology"

2016-03-22T14:15:05Z

Text replacement - "Category:Neuro" to "Category:Neurology"

← Older revision		Revision as of 14:15, 22 March 2016
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	<references/>		<references/>

	[[Category:~~Neuro~~]]		[[Category:Neurology]]
	[[Category:Procedures]]		[[Category:Procedures]]
	[[Category:Rads]]		[[Category:Rads]]

Rossdonaldson1: Rossdonaldson1 moved page CT Before Lumbar Puncture to CT before lumbar puncture

2015-05-04T19:58:25Z

Rossdonaldson1 moved page CT Before Lumbar Puncture to CT before lumbar puncture

← Older revision	Revision as of 19:58, 4 May 2015
(No difference)

Rossdonaldson1 at 22:02, 17 November 2014

2014-11-17T22:02:36Z

← Older revision		Revision as of 22:02, 17 November 2014
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	~~'''LP without CT is likely safe if:<ref>*NEJM 2001; 345; 1727-33</ref>'''~~		{{CT before LP}}
	*History
	**Age < 60
	**Not immunocompromised
	**No history of CNS disease
	**No seizure within 1 week of presentation
	*Physical Exam
	**No ALOC
	**Ability to answer two consecutive questions successfully
	**Ability to follow two consecutive commands successfully
	**Normal [[neurologic exam]]

	~~''If none of the above, chance of normal ct is 97%; none of the patients herniated''~~

	~~'''~~CT ~~findings that prohibit~~ LP~~:<ref>Emergency Radiology: Case Studies Schwartz</ref>'''~~
	*Midline shift
	**Unequal pressures between the 3 cerebral compartments (left/right supretentorial compartments, posterior fossa)
	**Intracerebral masses not causing midline shift
	*Obstructive [[Hydrocephalus]]
	**Enlargement of ventricles prox to lesions and normal ventricles distal (especially 4th ventricle)
	*Basilar cisterns compressed
	**Lateral/3rd ventricles may be small due to diffuse cerebral edema or enlarged due to obstr. hydroceph. +/- shift
	*Posterior fossa mass
	**Displacement/compression of 4th ventricle

	==See Also==		==See Also==

Rossdonaldson1 at 22:02, 17 November 2014

2014-11-17T22:02:04Z

← Older revision		Revision as of 22:02, 17 November 2014
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	==LP without CT is likely safe if==		'''LP without CT is likely safe if:<ref>*NEJM 2001; 345; 1727-33</ref>'''
	# History		*History
	## Age < 60		**Age < 60
	## Not immunocompromised		**Not immunocompromised
	## No history of CNS disease		**No history of CNS disease
	## No seizure within 1 week of presentation		**No seizure within 1 week of presentation
	# Physical Exam		*Physical Exam
	## No ALOC		**No ALOC
	~~## No inability~~ to answer two consecutive questions successfully		**Ability to answer two consecutive questions successfully
	~~## No inability~~ to follow two consecutive commands successfully		**Ability to follow two consecutive commands successfully
	~~## No gaze palsy~~		**Normal [[neurologic exam]]
	~~## No abnormal visual fields~~
	~~## No facial palsy~~
	~~## No arm drift~~
	~~## No leg drift~~
	~~## No abnormal language~~

	If none of the above, chance of normal ct is 97%; none of the patients herniated		''If none of the above, chance of normal ct is 97%; none of the patients herniated''

	== CT findings that prohibit LP ==		'''CT findings that prohibit LP:<ref>Emergency Radiology: Case Studies Schwartz</ref>'''
	#Midline shift		*Midline shift
	~~##Look for unequal~~ pressures between the 3 cerebral compartments (left/right supretentorial compartments, posterior fossa)		**Unequal pressures between the 3 cerebral compartments (left/right supretentorial compartments, posterior fossa)
	~~##Look for intracerebral~~ masses not causing midline shift		**Intracerebral masses not causing midline shift
	#Obstructive [[Hydrocephalus]]		*Obstructive [[Hydrocephalus]]
	~~##Look for enlargement~~ of ventricles prox to lesions and normal ventricles distal (especially 4th ventricle)		**Enlargement of ventricles prox to lesions and normal ventricles distal (especially 4th ventricle)
	#Basilar cisterns compressed		*Basilar cisterns compressed
	##Lateral/3rd ventricles may be small due to diffuse cerebral edema or enlarged due to obstr. hydroceph. +/- shift		**Lateral/3rd ventricles may be small due to diffuse cerebral edema or enlarged due to obstr. hydroceph. +/- shift
	#Posterior fossa mass		*Posterior fossa mass
	~~##Look for displacement~~/compression of 4th ventricle		**Displacement/compression of 4th ventricle

	==See Also==		==See Also==
Line 33:		Line 28:

	==Source==		==Source==
	*NEJM 2001; 345; 1727-33		<references/>
	*Emergency Radiology: Case Studies Schwartz

	[[Category:Neuro]]		[[Category:Neuro]]
	[[Category:Procedures]]		[[Category:Procedures]]
	[[Category:Rads]]		[[Category:Rads]]

Ostermayer at 02:02, 10 October 2014

2014-10-10T02:02:56Z

← Older revision		Revision as of 02:02, 10 October 2014
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	##Look for unequal pressures between the 3 cerebral compartments (left/right supretentorial compartments, posterior fossa)		##Look for unequal pressures between the 3 cerebral compartments (left/right supretentorial compartments, posterior fossa)
	##Look for intracerebral masses not causing midline shift		##Look for intracerebral masses not causing midline shift
	#~~Obsutrictive hydrocephalus~~		#Obstructive [[Hydrocephalus]]
	##Look for enlargement of ventricles prox to lesions and normal ventricles distal (especially 4th ventricle)		##Look for enlargement of ventricles prox to lesions and normal ventricles distal (especially 4th ventricle)
	#Basilar cisterns compressed		#Basilar cisterns compressed

Rossdonaldson1: /* Source */

2011-12-18T01:54:05Z

Source

← Older revision		Revision as of 01:54, 18 December 2011
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	#Posterior fossa mass		#Posterior fossa mass
	##Look for displacement/compression of 4th ventricle		##Look for displacement/compression of 4th ventricle

			==See Also==
			*[[Lumbar Puncture]]

	==Source==		==Source==

Jswartz at 06:38, 11 October 2011

2011-10-11T06:38:04Z

← Older revision		Revision as of 06:38, 11 October 2011
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	LP without CT is likely safe if:		==LP without CT is likely safe if==

	# History		# History
	## Age < 60		## Age < 60

Jswartz at 06:37, 11 October 2011

2011-10-11T06:37:45Z

← Older revision		Revision as of 06:37, 11 October 2011
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	If none of the above, chance of normal ct is 97%; none of the patients herniated		If none of the above, chance of normal ct is 97%; none of the patients herniated

			== CT findings that prohibit LP ==
			#Midline shift
			##Look for unequal pressures between the 3 cerebral compartments (left/right supretentorial compartments, posterior fossa)
			##Look for intracerebral masses not causing midline shift
			#Obsutrictive hydrocephalus
			##Look for enlargement of ventricles prox to lesions and normal ventricles distal (especially 4th ventricle)
			#Basilar cisterns compressed
			##Lateral/3rd ventricles may be small due to diffuse cerebral edema or enlarged due to obstr. hydroceph. +/- shift
			#Posterior fossa mass
			##Look for displacement/compression of 4th ventricle

	==Source==		==Source==
	NEJM 2001; 345; 1727-33		*NEJM 2001; 345; 1727-33
			*Emergency Radiology: Case Studies Schwartz

	[[Category:Neuro]]		[[Category:Neuro]]
	[[Category:Procedures]]		[[Category:Procedures]]
	[[Category:Rads]]		[[Category:Rads]]