1. Concepts of Human Disease
Unit 1
Concepts of Human Disease

2. Introduction to Human Diseases
Chapter 1
Introduction to Human Diseases

3. Key Terms
Disease
Abnormal symptoms
Homeostasis
State of normalcy

4. Key Terms Disorder Syndrome Abnormality of function
Symptoms caused by specific disease

5. Pathology Pathology Pathologist Study of disease
One who studies disease

6. Pathology Pathogens Pathologic
Microorganisms or agents that cause disease
Pathologic
Caused by disease process

7. Pathogenesis Description of how particular disease progresses Acute
Short-term with sudden onset
Chronic
Long-term or slow healing process

8. Etiology Cause of disease Idiopathic Iatrogenic Nosocomial
Cause unknown
Iatrogenic
Problem related to treatment
Nosocomial
Disease acquired from hospital environment

9. Predisposing Factors
Age
Sex
Environment
Lifestyle
Heredity

10. Diagnosis Identification or naming of disease Medical history
Physical examination
Diagnostic tests

11. Diagnosis Symptoms Signs Problems reported by patient
What physician sees or measures

12. Diagnosis
Skills used by physician:
Auscultation
Palpation
Percussion

13. Prognosis Prognosis Acute Chronic Expected outcome
Sudden onset with short duration
Chronic
Insidious and long-lasting

14. Prognosis Remission Exacerbation Complication
Disappearance of symptoms
Exacerbation
Flare-up of symptoms
Complication
Onset of second disease or disorder

15. Prognosis
Mortality
Mortal or destined to die
Fatal/lethal
Deadly

16. Treatment Holistic medicine Consideration of whole person
Rather than just physical symptoms
Interaction between spiritual, cognitive, social, physical, and emotional areas
Areas work interdependently

17. Holistic Medicine

18. Treatment Interventions: Medication Surgery Exercise Nutrition
Physical therapy
Education

19. Treatment Preventive Palliative Care given to prevent disease
Care given to prevent discomfort, but not cure 19

20. Medical Ethics Complicated by technological advances
Difficult as touch core of our humanity
Role of ethics committee
Economic concerns