Concepts of Human Disease Unit 1 Concepts of Human Disease

Introduction to Human Diseases Chapter 1 Introduction to Human Diseases

Key Terms Disease Abnormal symptoms Homeostasis State of normalcy

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

Pathology Pathology Pathologist Study of disease One who studies disease

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

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

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

Predisposing Factors Age Sex Environment Lifestyle Heredity

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

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

Diagnosis Skills used by physician: Auscultation Palpation Percussion

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

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

Prognosis Mortality Mortal or destined to die Fatal/lethal Deadly

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

Holistic Medicine

Treatment Interventions: Medication Surgery Exercise Nutrition Physical therapy Education

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

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