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Childhood dementia is very often diagnosed late, misdiagnosed, or not diagnosed at all. [9] A correct diagnosis happens, on average, 2 years or more after symptoms become apparent. Additionally, children affected by childhood dementia are often misdiagnosed with: Autism [16] [9] [17] Developmental or intellectual delay [16] [9] ADHD [9] Others [9]
The infectious period can start before, during or after the onset of symptoms, and it may stop before or after the symptoms stop showing. It is also known in the literature by a variety of synonymous terms such as the infective period , the period of infectiousness , communicability period , the period of communicability , contagious period ...
The period from the time of infection to the time of becoming infectious is called the pre-infectious period or the latent period. During the pre-infectious or latent period, a host may or may not show symptoms (i.e. the incubation period may or may not be over), but in both cases, the host is not capable of infecting other hosts i.e ...
Symptoms progress through the following 4 stages: [9] [10] Stage 1: There may be personality changes, mood swings, or depression. Fever, headache, and memory loss may also be present. This stage may last up to 6 months. Stage 2: This stage may involve jerking, muscle spasms, seizures, loss of vision, and dementia.
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Long-term brain disorders causing impaired memory, thinking and behavior This article is about the cognitive disorder. For other uses, see Dementia (disambiguation). "Senile" and "Demented" redirect here. For other uses, see Senile (disambiguation) and Demented (disambiguation). Medical ...
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The first symptoms are often mistakenly attributed to aging or stress. [34] Detailed neuropsychological testing can reveal mild cognitive difficulties up to eight years before a person fulfills the clinical criteria for diagnosis of Alzheimer's disease. [35] These early symptoms can affect the most complex activities of daily living. [36]