Encephalopathy differential diagnosis: Difference between revisions
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* Intracranial lesions like [[tumors]], masses, [[granulomas]] which are differentiated by the presence of focal neurologic signs and symptoms | * Intracranial lesions like [[tumors]], masses, [[granulomas]] which are differentiated by the presence of focal neurologic signs and symptoms | ||
Encephalopathy must be differentiated from other causes of headache,seizures and loss of consciousness. | |||
{| | |||
|-style="background: #4479BA; color: #FFFFFF; text-align: center;" | |||
! rowspan="2" |<small>Diseases</small> | |||
! colspan="4" |<small>Symptoms | |||
! colspan="5" |<small>Physical Examination</small> | |||
! rowspan="2" |<small>Past medical history</small> | |||
! colspan="3" |<small>Diagnostic tests</small> | |||
! rowspan="2" |<small>Other Findings</small> | |||
|- style="background: #4479BA; color: #FFFFFF; text-align: center;" | |||
!<small>Headache</small> | |||
!↓<small>LOC</small> | |||
!<small>Motor weakness</small> | |||
!<small>Abnormal sensory</small> | |||
!<small>Motor Deficit</small> | |||
!<small>Sensory deficit</small> | |||
!<small>Speech difficulty</small> | |||
!<small>Gait abnormality</small> | |||
!<small>Cranial nerves</small> | |||
!<small>CT /MRI</small> | |||
!<small>CSF Findings</small> | |||
!<small>Gold standard test</small> | |||
|- | |||
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Meningitis]] | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" |History of [[fever]] and [[malaise]] | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px; text-align:center" |'''↑''' [[Leukocytes]], | |||
'''↑''' Protein | |||
↓ Glucose | |||
| style="background: #F5F5F5; padding: 5px;" |[[CSF analysis]]<ref name="pmid19398286">{{cite journal| author=Carbonnelle E| title=[Laboratory diagnosis of bacterial meningitis: usefulness of various tests for the determination of the etiological agent]. | journal=Med Mal Infect | year= 2009 | volume= 39 | issue= 7-8 | pages= 581-605 | pmid=19398286 | doi=10.1016/j.medmal.2009.02.017 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19398286 }}</ref> | |||
| style="background: #F5F5F5; padding: 5px;" |[[Fever]], [[Neck rigidity|neck]] | |||
[[Neck rigidity|rigidity]] | |||
|- | |||
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Encephalitis]] | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | +/- | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | +/- | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | +/- | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" |History of [[fever]] and [[malaise]] | |||
| style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px text-align:center" |'''↑''' [[Leukocytes]], ↓ Glucose | |||
| style="background: #F5F5F5; padding: 5px text-align:center" |CSF [[PCR]] | |||
| style="background: #F5F5F5; padding: 5px text-align:center" |[[Fever]], [[Seizure|seizures]], [[Focal neurologic signs|focal neurologic abnormalities]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" | [[Brain tumor]]<ref name="pmid10582668">{{cite journal| author=Morgenstern LB, Frankowski RF| title=Brain tumor masquerading as stroke. | journal=J Neurooncol | year= 1999 | volume= 44 | issue= 1 | pages= 47-52 | pmid=10582668 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10582668 }} </ref> | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |[[Weight loss]], [[fatigue]] | |||
|style="background: #F5F5F5; padding: 5px; text-align:center"| + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |Cancer cells<ref name="pmid21371327">{{cite journal| author=Weston CL, Glantz MJ, Connor JR| title=Detection of cancer cells in the cerebrospinal fluid: current methods and future directions. | journal=Fluids Barriers CNS | year= 2011 | volume= 8 | issue= 1 | pages= 14 | pmid=21371327 | doi=10.1186/2045-8118-8-14 | pmc=3059292 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21371327 }}</ref> | |||
|style="background: #F5F5F5; padding: 5px;" |MRI | |||
|style="background: #F5F5F5; padding: 5px;" |[[Cachexia]], gradual progression of symptoms | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Hemorrhagic stroke]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |[[Hypertension]] | |||
|style="background: #F5F5F5; padding: 5px; text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
|style="background: #F5F5F5; padding: 5px;" |CT scan without contrast<ref name="pmid21694755">{{cite journal| author=Birenbaum D, Bancroft LW, Felsberg GJ| title=Imaging in acute stroke. | journal=West J Emerg Med | year= 2011 | volume= 12 | issue= 1 | pages= 67-76 | pmid=21694755 | doi= | pmc=3088377 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21694755 }}</ref><ref name="pmid21807345">{{cite journal| author=DeLaPaz RL, Wippold FJ, Cornelius RS, Amin-Hanjani S, Angtuaco EJ, Broderick DF et al.| title=ACR Appropriateness Criteria® on cerebrovascular disease. | journal=J Am Coll Radiol | year= 2011 | volume= 8 | issue= 8 | pages= 532-8 | pmid=21807345 | doi=10.1016/j.jacr.2011.05.010 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21807345 }}</ref> | |||
|style="background: #F5F5F5; padding: 5px;" |[[Neck stiffness]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" | [[Subdural hematoma|Subdural hemorrhage]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |[[Trauma]], fall | |||
|style="background: #F5F5F5; padding: 5px; text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px;" |Xanthochromia<ref name="pmid1198628">{{cite journal| author=Lee MC, Heaney LM, Jacobson RL, Klassen AC| title=Cerebrospinal fluid in cerebral hemorrhage and infarction. | journal=Stroke | year= 1975 | volume= 6 | issue= 6 | pages= 638-41 | pmid=1198628 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1198628 }}</ref> | |||
|style="background: #F5F5F5; padding: 5px;" |CT scan without contrast<ref name="pmid21694755">{{cite journal| author=Birenbaum D, Bancroft LW, Felsberg GJ| title=Imaging in acute stroke. | journal=West J Emerg Med | year= 2011 | volume= 12 | issue= 1 | pages= 67-76 | pmid=21694755 | doi= | pmc=3088377 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21694755 }}</ref><ref name="pmid21807345">{{cite journal| author=DeLaPaz RL, Wippold FJ, Cornelius RS, Amin-Hanjani S, Angtuaco EJ, Broderick DF et al.| title=ACR Appropriateness Criteria® on cerebrovascular disease. | journal=J Am Coll Radiol | year= 2011 | volume= 8 | issue= 8 | pages= 532-8 | pmid=21807345 | doi=10.1016/j.jacr.2011.05.010 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21807345 }}</ref> | |||
|style="background: #F5F5F5; padding: 5px;" |[[Confusion]], [[dizziness]], [[nausea]], [[vomiting]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Neurosyphilis]]<ref name="pmid22482824">{{cite journal| author=Liu LL, Zheng WH, Tong ML, Liu GL, Zhang HL, Fu ZG et al.| title=Ischemic stroke as a primary symptom of neurosyphilis among HIV-negative emergency patients. | journal=J Neurol Sci | year= 2012 | volume= 317 | issue= 1-2 | pages= 35-9 | pmid=22482824 | doi=10.1016/j.jns.2012.03.003 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22482824 }} </ref><ref name="pmid24365430">{{cite journal |vauthors=Berger JR, Dean D |title=Neurosyphilis |journal=Handb Clin Neurol |volume=121 |issue= |pages=1461–72 |year=2014 |pmid=24365430 |doi=10.1016/B978-0-7020-4088-7.00098-5 |url=}}</ref> | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |[[Sexually transmitted disease|STI]]<nowiki/>s | |||
|style="background: #F5F5F5; padding: 5px; text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px;" |'''↑''' [[Leukocytes]] and [[protein]] | |||
|style="background: #F5F5F5; padding: 5px;" |CSF [[VDRL]]-specifc | |||
CSF FTA-Ab -sensitive<ref name="pmid22421697">{{cite journal| author=Ho EL, Marra CM| title=Treponemal tests for neurosyphilis--less accurate than what we thought? | journal=Sex Transm Dis | year= 2012 | volume= 39 | issue= 4 | pages= 298-9 | pmid=22421697 | doi=10.1097/OLQ.0b013e31824ee574 | pmc=3746559 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22421697 }}</ref> | |||
|style="background: #F5F5F5; padding: 5px;" |[[Blindness]], [[confusion]], [[depression]], | |||
Abnormal [[gait]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |Complex or atypical [[migraine]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |Family history of [[migraine]] | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
|style="background: #F5F5F5; padding: 5px;" |Clinical assesment | |||
|style="background: #F5F5F5; padding: 5px;" |Presence of aura, [[nausea]], [[vomiting]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Hypertensive encephalopathy]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |[[Hypertension]] | |||
|style="background: #F5F5F5; padding: 5px;" | + | |||
|style="background: #F5F5F5; padding: 5px;" | - | |||
|style="background: #F5F5F5; padding: 5px;" |Clinical assesment | |||
|style="background: #F5F5F5; padding: 5px;" |[[Delirium]], [[cortical blindness]], [[cerebral edema]], [[seizure]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Wernicke's encephalopathy|Wernicke’s encephalopathy]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |History of alcohal abuse | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" |Clinical assesment and lab findings | |||
|style="background: #F5F5F5; padding: 5px;" |[[Ophthalmoplegia]], [[confusion]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Brain abscess|CNS abscess]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |History of [[drug abuse]], [[endocarditis]], [[immunosupression]] | |||
|style="background: #F5F5F5; padding: 5px;" | + | |||
|style="background: #F5F5F5; padding: 5px;" |'''↑''' leukocytes, '''↓''' glucose and '''↑''' protien | |||
|style="background: #F5F5F5; padding: 5px;" |MRI is more sensitive and specific | |||
|style="background: #F5F5F5; padding: 5px;" |High grade [[fever]], [[fatigue]],[[nausea]], [[vomiting]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Drug toxicity]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" |Drug screen test | |||
|style="background: #F5F5F5; padding: 5px;" |[[Lithium]], [[Sedatives]], [[phenytoin]], [[carbamazepine]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Conversion disorder]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |History of [[emotional stress]] | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
|style="background: #F5F5F5; padding: 5px;" |Diagnosis of exclusion | |||
|style="background: #F5F5F5; padding: 5px;" |[[Tremor|Tremors]], [[blindness]], difficulty [[swallowing]] | |||
|- | |||
|style="background: #DCDCDC; padding: 5px; text-align: center;" |Metabolic disturbances ([[electrolyte imbalance]], [[hypoglycemia]]) | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" |[[Hypoglycemia]], [[Hyponatremia|hypo]] and [[hypernatremia]], [[Hypokalemia|hypo]] and [[hyperkalemia]] | |||
|style="background: #F5F5F5; padding: 5px;" |Depends on the cause | |||
| style="background: #F5F5F5; padding: 5px;" |[[Confusion]], [[seizure]], [[Palpitation|palpitations]], [[sweating]], [[dizziness]], [[hypoglycemia]] | |||
|- | |||
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Multiple sclerosis]] exacerbation | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |History of relapses and remissions | |||
| style="background: #F5F5F5; padding: 5px; text-align:center" | + | |||
| style="background: #F5F5F5; padding: 5px; text-align:center" |'''↑''' CSF IgG levels | |||
(monoclonal bands) | |||
| style="background: #F5F5F5; padding: 5px;" |Clinical assesment and [[MRI]] <ref name="pmid8274111">{{cite journal| author=Giang DW, Grow VM, Mooney C, Mushlin AI, Goodman AD, Mattson DH et al.| title=Clinical diagnosis of multiple sclerosis. The impact of magnetic resonance imaging and ancillary testing. Rochester-Toronto Magnetic Resonance Study Group. | journal=Arch Neurol | year= 1994 | volume= 51 | issue= 1 | pages= 61-6 | pmid=8274111 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8274111 }}</ref> | |||
| style="background: #F5F5F5; padding: 5px;" |[[Blurred vision|Blurry vision]], [[urinary incontinence]], [[fatigue]] | |||
|- | |||
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Seizure]] | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | - | |||
|style="background: #F5F5F5; padding: 5px text-align:center" | + | |||
|style="background: #F5F5F5; padding: 5px text-align:center" |Previous history of [[seizures]] | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" |Mass lesion | |||
| style="background: #F5F5F5; padding: 5px;" |Clinical assesment and [[EEG]] <ref name="pmid11385043">{{cite journal| author=Manford M| title=Assessment and investigation of possible epileptic seizures. | journal=J Neurol Neurosurg Psychiatry | year= 2001 | volume= 70 Suppl 2 | issue= | pages= II3-8 | pmid=11385043 | doi= | pmc=1765557 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11385043 }}</ref> | |||
| style="background: #F5F5F5; padding: 5px;" |[[Confusion]], [[apathy]], [[irritability]], | |||
|} | |||
==References== | ==References== | ||
Revision as of 19:13, 17 September 2017
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Encephalopathy |
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Diagnosis |
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Treatment |
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Encephalopathy differential diagnosis On the Web |
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American Roentgen Ray Society Images of Encephalopathy differential diagnosis |
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Risk calculators and risk factors for Encephalopathy differential diagnosis |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]
Overview
Encephalopathy can present in many ways mimicking many other brain conditions. Certain conditions like encephalitis, meningitis, brain tumors, epilepsy, and overdosing of certain medications may mimic encephalopathy.
Differentiating from other symptoms
The symptoms of encephalopathy may overlap with the symptoms of other diseases:
- Encephalitis which is differentiated from encephalopathy by the presence of fever and other signs and symptoms of a viral infection.
- Meningitis which is differentiated from encephalopathy by the presence of neck stiffness, headache, meningeal signs, fever
- Postictal state which would be differentiated by the presence of seizures
- Intracranial lesions like tumors, masses, granulomas which are differentiated by the presence of focal neurologic signs and symptoms
Encephalopathy must be differentiated from other causes of headache,seizures and loss of consciousness.
| Diseases | Symptoms | Physical Examination | Past medical history | Diagnostic tests | Other Findings | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Headache | ↓LOC | Motor weakness | Abnormal sensory | Motor Deficit | Sensory deficit | Speech difficulty | Gait abnormality | Cranial nerves | CT /MRI | CSF Findings | Gold standard test | |||
| Meningitis | + | - | - | - | - | + | + | - | - | History of fever and malaise | - | ↑ Leukocytes,
↑ Protein ↓ Glucose |
CSF analysis[1] | Fever, neck |
| Encephalitis | + | + | +/- | +/- | - | - | + | +/- | + | History of fever and malaise | + | ↑ Leukocytes, ↓ Glucose | CSF PCR | Fever, seizures, focal neurologic abnormalities |
| Brain tumor[2] | + | - | - | - | + | + | + | - | + | Weight loss, fatigue | + | Cancer cells[3] | MRI | Cachexia, gradual progression of symptoms |
| Hemorrhagic stroke | + | + | + | + | + | + | + | + | - | Hypertension | + | - | CT scan without contrast[4][5] | Neck stiffness |
| Subdural hemorrhage | + | + | + | + | + | - | - | - | + | Trauma, fall | + | Xanthochromia[6] | CT scan without contrast[4][5] | Confusion, dizziness, nausea, vomiting |
| Neurosyphilis[7][8] | + | - | + | + | + | + | - | + | - | STIs | + | ↑ Leukocytes and protein | CSF VDRL-specifc
CSF FTA-Ab -sensitive[9] |
Blindness, confusion, depression,
Abnormal gait |
| Complex or atypical migraine | + | - | + | + | - | - | + | - | - | Family history of migraine | - | - | Clinical assesment | Presence of aura, nausea, vomiting |
| Hypertensive encephalopathy | + | + | - | - | - | - | + | + | - | Hypertension | + | - | Clinical assesment | Delirium, cortical blindness, cerebral edema, seizure |
| Wernicke’s encephalopathy | - | + | - | - | - | + | + | + | + | History of alcohal abuse | - | - | Clinical assesment and lab findings | Ophthalmoplegia, confusion |
| CNS abscess | + | + | - | - | + | + | + | - | - | History of drug abuse, endocarditis, immunosupression | + | ↑ leukocytes, ↓ glucose and ↑ protien | MRI is more sensitive and specific | High grade fever, fatigue,nausea, vomiting |
| Drug toxicity | - | + | - | + | + | + | - | + | - | - | - | - | Drug screen test | Lithium, Sedatives, phenytoin, carbamazepine |
| Conversion disorder | + | + | + | + | + | + | + | + | History of emotional stress | - | - | Diagnosis of exclusion | Tremors, blindness, difficulty swallowing | |
| Metabolic disturbances (electrolyte imbalance, hypoglycemia) | - | + | + | + | + | + | - | - | + | - | - | Hypoglycemia, hypo and hypernatremia, hypo and hyperkalemia | Depends on the cause | Confusion, seizure, palpitations, sweating, dizziness, hypoglycemia |
| Multiple sclerosis exacerbation | - | - | + | + | - | + | + | + | + | History of relapses and remissions | + | ↑ CSF IgG levels
(monoclonal bands) |
Clinical assesment and MRI [10] | Blurry vision, urinary incontinence, fatigue |
| Seizure | + | + | - | - | + | + | - | - | + | Previous history of seizures | - | Mass lesion | Clinical assesment and EEG [11] | Confusion, apathy, irritability, |
References
- ↑ Carbonnelle E (2009). "[Laboratory diagnosis of bacterial meningitis: usefulness of various tests for the determination of the etiological agent]". Med Mal Infect. 39 (7–8): 581–605. doi:10.1016/j.medmal.2009.02.017. PMID 19398286.
- ↑ Morgenstern LB, Frankowski RF (1999). "Brain tumor masquerading as stroke". J Neurooncol. 44 (1): 47–52. PMID 10582668.
- ↑ Weston CL, Glantz MJ, Connor JR (2011). "Detection of cancer cells in the cerebrospinal fluid: current methods and future directions". Fluids Barriers CNS. 8 (1): 14. doi:10.1186/2045-8118-8-14. PMC 3059292. PMID 21371327.
- ↑ 4.0 4.1 Birenbaum D, Bancroft LW, Felsberg GJ (2011). "Imaging in acute stroke". West J Emerg Med. 12 (1): 67–76. PMC 3088377. PMID 21694755.
- ↑ 5.0 5.1 DeLaPaz RL, Wippold FJ, Cornelius RS, Amin-Hanjani S, Angtuaco EJ, Broderick DF; et al. (2011). "ACR Appropriateness Criteria® on cerebrovascular disease". J Am Coll Radiol. 8 (8): 532–8. doi:10.1016/j.jacr.2011.05.010. PMID 21807345.
- ↑ Lee MC, Heaney LM, Jacobson RL, Klassen AC (1975). "Cerebrospinal fluid in cerebral hemorrhage and infarction". Stroke. 6 (6): 638–41. PMID 1198628.
- ↑ Liu LL, Zheng WH, Tong ML, Liu GL, Zhang HL, Fu ZG; et al. (2012). "Ischemic stroke as a primary symptom of neurosyphilis among HIV-negative emergency patients". J Neurol Sci. 317 (1–2): 35–9. doi:10.1016/j.jns.2012.03.003. PMID 22482824.
- ↑ Berger JR, Dean D (2014). "Neurosyphilis". Handb Clin Neurol. 121: 1461–72. doi:10.1016/B978-0-7020-4088-7.00098-5. PMID 24365430.
- ↑ Ho EL, Marra CM (2012). "Treponemal tests for neurosyphilis--less accurate than what we thought?". Sex Transm Dis. 39 (4): 298–9. doi:10.1097/OLQ.0b013e31824ee574. PMC 3746559. PMID 22421697.
- ↑ Giang DW, Grow VM, Mooney C, Mushlin AI, Goodman AD, Mattson DH; et al. (1994). "Clinical diagnosis of multiple sclerosis. The impact of magnetic resonance imaging and ancillary testing. Rochester-Toronto Magnetic Resonance Study Group". Arch Neurol. 51 (1): 61–6. PMID 8274111.
- ↑ Manford M (2001). "Assessment and investigation of possible epileptic seizures". J Neurol Neurosurg Psychiatry. 70 Suppl 2: II3–8. PMC 1765557. PMID 11385043.