Four Aspects of Disease Process
1. Etiology. Refers to the cause of the disease.
a. Microorganisms.
b. Risk factors.
b.1. Modifiable (diet, lifestyles, vices)
b.2. Non-modifiable (age, gender, heredity)
2.Morphological. In connection to the tissue affected.
3. Physiology.
4. Signs and symptoms.
INFLAMMATORY RESPONSES
Vascular changes
1. Etiology. Refers to the cause of the disease.
a. Microorganisms.
b. Risk factors.
b.1. Modifiable (diet, lifestyles, vices)
b.2. Non-modifiable (age, gender, heredity)
2.Morphological. In connection to the tissue affected.
3. Physiology.
4. Signs and symptoms.
INFLAMMATORY RESPONSES
Vascular changes
- Vasodilation
- Increase capillary permeability
- Increase blood flow
- Local tissue congestion
Cellular changes
- Phagocytosis
- Increase leukocytes
- Release of chemical mediators
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