PATHOPHYSIOLOGY Dr Wasfi Dhahir Abid Ali Department of
![PATHOPHYSIOLOGY Dr. Wasfi Dhahir Abid Ali Department of medical sciences –College of Nursing – PATHOPHYSIOLOGY Dr. Wasfi Dhahir Abid Ali Department of medical sciences –College of Nursing –](https://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-1.jpg)
PATHOPHYSIOLOGY Dr. Wasfi Dhahir Abid Ali Department of medical sciences –College of Nursing – University of Basrah
![INTRODUCTION TO PATHOPHYSIOLOGY INTRODUCTION TO PATHOPHYSIOLOGY](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-2.jpg)
INTRODUCTION TO PATHOPHYSIOLOGY
![PATHOLOGY & PATHOPHYSIOLOGY Homeostasis: Maintain internal stability to any situation or stimulus that would PATHOLOGY & PATHOPHYSIOLOGY Homeostasis: Maintain internal stability to any situation or stimulus that would](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-3.jpg)
PATHOLOGY & PATHOPHYSIOLOGY Homeostasis: Maintain internal stability to any situation or stimulus that would tend to disturb its normal condition or function Pathology The science of the causes and effects of diseases. Pathophysiology: The physiology of abnormal states; specifically: the functional changes that accompany a particular syndrome or disease(mechanisim of diseases)
![Etiology ; Pathogens and relative key Etiology : Branch of knowledge concerned with causes; Etiology ; Pathogens and relative key Etiology : Branch of knowledge concerned with causes;](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-4.jpg)
Etiology ; Pathogens and relative key Etiology : Branch of knowledge concerned with causes; the cause of a disease or abnormal condition. Pathogens: a bacterium, virus, or other microorganism that can cause disease. Relative key: *Multifactorial = many factors *Iatrogenic = caused by treatment Idiopathic = un known cause
![The pathogenesis of a disease is the biological mechanism (or mechanisms) that lead to The pathogenesis of a disease is the biological mechanism (or mechanisms) that lead to](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-5.jpg)
The pathogenesis of a disease is the biological mechanism (or mechanisms) that lead to the diseased state. The term can also describe the origin and development of the disease, and whether it is acute, chronic, or recurrent Types of pathogenesis include microbial infection, inflammation, malignancy and tissue breakdown. For example, bacterial pathogenesis is the mechanism by which bacteria cause infectious illness.
![SIGNS AND SYMPTOMS Signs: a phenomenon that can be detected (Objective and musured) e. SIGNS AND SYMPTOMS Signs: a phenomenon that can be detected (Objective and musured) e.](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-6.jpg)
SIGNS AND SYMPTOMS Signs: a phenomenon that can be detected (Objective and musured) e. g fever. B p Symptoms : A symptom is a phenomenon that is experienced by the individual affected by the disease For examples, anxiety, pain, and fatigue are all symptoms. (unobjective , feeling)
![CLINICAL MANIFESTATION TERMS Local : Affecting only a particular part or area of the CLINICAL MANIFESTATION TERMS Local : Affecting only a particular part or area of the](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-7.jpg)
CLINICAL MANIFESTATION TERMS Local : Affecting only a particular part or area of the body, Systemic: Affecting the body generally Acute : Characterized by sharpness or severity acute pain having a sudden onset, sharp rise, and short course Chronic : occurring for a long time Insidious : gradual onset Exacerbation : increasing symptoms Subacute: between cute and chronic Remission: symptoms free period Asymptomatic : no noticeable symptoms
![Diagnosis & Treatment Diagnosis : the identification of the nature of an illness or Diagnosis & Treatment Diagnosis : the identification of the nature of an illness or](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-8.jpg)
Diagnosis & Treatment Diagnosis : the identification of the nature of an illness or other problem by examination of the symptoms. prognosis : a forecast of the likely outcome of a situation morbidity : is the frequency with which a disease appears in a population mortality : The number of deaths in a given area or period, or from a particular cause. Treatment: medical care given to a patient for an illness or injury
![POPULATION HEALTH Epidemiology: study of diseases within population. incidence : rate of occurrence prevalence POPULATION HEALTH Epidemiology: study of diseases within population. incidence : rate of occurrence prevalence](http://slidetodoc.com/presentation_image_h2/77982e1da970c879413601b72fad5da7/image-9.jpg)
POPULATION HEALTH Epidemiology: study of diseases within population. incidence : rate of occurrence prevalence : disease percentage of population Endemic : disease in small area Epidemic ; widespread Pandemic : world -wide
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