AH 120 Human Diseases. Studying Diseases Inflammation. Terminology. Disease : Altered function/physiology of a body organ or system Etiology : The cause of the disease Pathology : the abnormal physiology that produces the disease and its manifestations. Terminology ( cont.).
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Prognosis : prediction of the outcome, usually expressed as likelihood of recovery or survival
Besides signs and symptoms, test findings are the other category of disease manifestations used to make the diagnosis
Simple chest x-ray showing Tuberculosis in the left lung
Using a contrast medium
Angiogram of carotid artery
Bone scan of head chest and pelvis showing tumors
Different planes or slices are x-rayed and then a computer generates a composite image
Similar to CT scan BUT uses magnetism and radio frequencies INSTEAD of ionizing radiation to createimage
During grand mal seizure
Image created by the echoes of high frequency sound waves
Therapeutic treatment : affects the outcome of the disease
Palliative treatment: Treating symptoms only without affecting the outcome
The response of living tissue to injury. The inflammatory process removes injured cells and debris and contains the area of injury.
NOTE!Infection and Inflammation are not the same thing!
Infection spreads via the blood stream and causes infectious inflammation in many body tissues/systems.
Trigger: Trauma and Infection
The Inflammatory process may end in one of three ways:
Seen with infectious inflammation
Pus consists of dead tissue, WBCs, and microbes
Non-phagocytosed material surrounded by WBCs and fibrous
tissue. Granuloma has a solid center while an abscess has a
liquid (pus) center.
Local (due to increased bloodflow and permeability)
Insidious and long lasting. Exudation and repair occur together
Rest and gradual exercise
Drainage of abscess