Introduction/Review Notes
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Disease
A situation that is impairing functional ability in some way
Illness
The individual experience that a person has with a disease
Disorder
The functional changes that occur as a result of disease
Syndrome
A group of signs or symptoms that emerge from a disease state
Risk factor
Anything that puts a person at a greater risk for developing a particular disease
What are risk factors labeled as
Modifiable or nonmodifiable
Etiology
The cause of a disease or injury
Pathogenesis
The origin of or underlying mechanisms responsible for the clinical manifestations of a disease. Considers how the origin created structural or functional alterations in cells, tissues, or organs that resulted in disease.
Iatrogenic disease
A disease with an unintentional etiology from a treatment, diagnostic procedure, or error of a healthcare provider
Clinical manifestations
The signs and symptoms associated with a disease as well as alterations in diagnostic tests
Sign
An objective indication of disease that is observable by the person conducting a physical assessment
Symptom
A subjective sensation indicative of disease that is perceived by the affected individual but is not observable by the person examining the individual
Sequelae
Unwanted outcomes from disease - paralysis from a stroke
Incidence
The number of new cases of a disease or condition within a defined period and for a defined population
Prevalence
The number of individuals of a defined population who already have a disease or condition.
Relative risk
The probability of developing a certain disease in the presence of select risk factors Ratio is calculated to identify the relationship between certain risk factors and the probability of a disease developing
Mortality
The number of deaths in a given population
Morbidity
A departure from physiologic or psychologic well-being that encompasses disease, injury, or disability