Pathology Definitions
What is a disease?
An unhealthy state caused by the effects of injury
Pathophysiology is what?
Mechanisms by which the abnormal function is expressed.
syndrome
collection of signs and sypmptoms
incidence
frequency of a disease over a period of time in a given population
What is the formula for incidence?
number of new cases per year/ number of person in the population
Mortality
outcome of a disease is death
Morbidity
short term or long term disability due to disease. Think illness.
lesion
structural change in tissue or organ (change in morphology)
What is a Chronic Disease?
Begins slowly with signs and symptoms that are difficult to interpret.
What is Pathology?
Study of changes in body structure and function as a result of disease.
What is Etiology?
The causes of disease.
What is prevalence?
The number of cases present in a given population at any one time.
What does Idiopathic mean?
Unknown Cause
Iatrogenic means?
a disease caused by medical diagnosis or treatment
What is an acute disease?
a disease that arises rapidly, that lasts for a short time.
symptom?
a manifestation of disease reported by the patient.
Sign?
a manifestation of disease see by an observer
Pathogenesis means?
the sequence of events leading from causes to manifestations of the disease