Tick-borne encephalitis history and symptoms: Difference between revisions
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==Overview== | ==Overview== | ||
Tick-borne encephalitis infections will often present themselves with [[biphasic]] clinical manifestations. Following an incubation period of 7 to 14 days, a patient will experience early onset, non-specific [[flu]] like symptoms. A patient will then experience a [[remission]] period of lessened symptoms or will appear to be completely asymptomatic.<ref name= "Sym CDC"> Signs and Symptoms Centers for Disease Control and Prevention. http://www.cdc.gov/vhf/tbe/symptoms/index.html Accessed February 9, 2016 </ref> A second phase will occur in which patients will experience an infection of the [[central nervous system]] resulting in a number of [[neurological]], clinical manifestations. | Tick-borne encephalitis infections will often present themselves with [[biphasic]] clinical manifestations. Following an [[Incubation period|incubation]] period of 7 to 14 days, a patient will experience early onset, non-specific [[flu]] like symptoms. A patient will then experience a [[remission]] period of lessened symptoms or will appear to be completely asymptomatic.<ref name="Sym CDC">Signs and Symptoms Centers for Disease Control and Prevention. http://www.cdc.gov/vhf/tbe/symptoms/index.html Accessed February 9, 2016 </ref> A second phase will occur in which patients will experience an infection of the [[central nervous system]] resulting in a number of [[neurological]], clinical manifestations. | ||
==History and Symptoms== | ==History and Symptoms== | ||
*Symptoms associated with tick-borne encephalitis will appear after an average [[incubation]] period of 7 to 14 days. | *[[Symptoms]] associated with tick-borne encephalitis will appear after an average [[incubation]] period of 7 to 14 days. | ||
*The infection usually occurs as a biphasic disease, with early onset symptoms, a period lessened symptoms or [[asymptomatic]](remission), and finally a second phase within 20-30% of patients.<ref name= "Sym CDC"> Signs and Symptoms Centers for Disease Control and Prevention. http://www.cdc.gov/vhf/tbe/symptoms/index.html Accessed February 9, 2016 </ref> | *The infection usually occurs as a biphasic disease, with early onset symptoms, a period lessened symptoms or [[asymptomatic]](remission), and finally a second phase within 20-30% of patients.<ref name="Sym CDC">Signs and Symptoms Centers for Disease Control and Prevention. http://www.cdc.gov/vhf/tbe/symptoms/index.html Accessed February 9, 2016 </ref> | ||
[[Image:751px-TBE symptoms.svg.png|left|350px|thumb|Natural progression of biphasic, tick-borne encephalitis.]] | [[Image:751px-TBE symptoms.svg.png|left|350px|thumb|Natural progression of biphasic, tick-borne encephalitis.]] | ||
===Early Onset=== | ===Early Onset=== | ||
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*[[Headache]] | *[[Headache]] | ||
*[[Nausea]] | *[[Nausea]] | ||
*[[Vomiting]]<ref name= "Enceph Prime"> Tick-borne Encephalitis Virus: A General Overview. http://cdn.intechopen.com/pdfs-wm/20866.pdf. Accessed February 4, 2016. </ref> | *[[Vomiting]]<ref name="Enceph Prime">Tick-borne Encephalitis Virus: A General Overview. http://cdn.intechopen.com/pdfs-wm/20866.pdf. Accessed February 4, 2016. </ref> | ||
===Remission Period=== | ===Remission Period=== | ||
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:*Sensory disturbances | :*Sensory disturbances | ||
:*Motor abnormalities such as [[paralysis]] | :*Motor abnormalities such as [[paralysis]] | ||
:*Meningoencephalitis<ref name= "Enceph Prime"> Tick-borne Encephalitis Virus: A General Overview. http://cdn.intechopen.com/pdfs-wm/20866.pdf. Accessed February 4, 2016. </ref> | :*Meningoencephalitis<ref name="Enceph Prime">Tick-borne Encephalitis Virus: A General Overview. http://cdn.intechopen.com/pdfs-wm/20866.pdf. Accessed February 4, 2016. </ref> | ||
*Although the above list relates to potential symptoms associated with a full course infection, many infected individuals will remain asymptomatic without any signs of symptoms. | *Although the above list relates to potential symptoms associated with a full course infection, many infected individuals will remain asymptomatic without any signs of symptoms. | ||
*In addition to the the aforementioned list, symptoms may vary in severity, based on the subtype responsible for infection as well as mode of transmission. | *In addition to the the aforementioned list, symptoms may vary in severity, based on the subtype responsible for infection as well as mode of transmission. | ||
Revision as of 16:36, 10 March 2016
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ilan Dock, B.S.
Overview
Tick-borne encephalitis infections will often present themselves with biphasic clinical manifestations. Following an incubation period of 7 to 14 days, a patient will experience early onset, non-specific flu like symptoms. A patient will then experience a remission period of lessened symptoms or will appear to be completely asymptomatic.[1] A second phase will occur in which patients will experience an infection of the central nervous system resulting in a number of neurological, clinical manifestations.
History and Symptoms
- Symptoms associated with tick-borne encephalitis will appear after an average incubation period of 7 to 14 days.
- The infection usually occurs as a biphasic disease, with early onset symptoms, a period lessened symptoms or asymptomatic(remission), and finally a second phase within 20-30% of patients.[1]
Early Onset
Remission Period
- Lessened non-specific flu like symptoms
- Completely asymptomatic
Second Phase
- Infection of the central nervous system
- Symptoms associated with meningitis including: fever, headache, and a stiff neck
- Encephalitis
- Drowsiness
- Confusion
- Sensory disturbances
- Motor abnormalities such as paralysis
- Meningoencephalitis[2]
- Although the above list relates to potential symptoms associated with a full course infection, many infected individuals will remain asymptomatic without any signs of symptoms.
- In addition to the the aforementioned list, symptoms may vary in severity, based on the subtype responsible for infection as well as mode of transmission.
References
- ↑ 1.0 1.1 Signs and Symptoms Centers for Disease Control and Prevention. http://www.cdc.gov/vhf/tbe/symptoms/index.html Accessed February 9, 2016
- ↑ 2.0 2.1 Tick-borne Encephalitis Virus: A General Overview. http://cdn.intechopen.com/pdfs-wm/20866.pdf. Accessed February 4, 2016.