Unit 1640: Pathophysiology and Disease Mechanisms

1. Cellular Adaptations in Response to Stress

1.1 Overview of Cellular Stressors

• Types of stressors: physical, chemical, biological, nutritional

1.2 Cellular Adaptations

• Hypertrophy: definition, causes, examples
• Hyperplasia: physiological vs pathological, examples
• Atrophy: mechanisms, clinical implications
• Metaplasia: reversible changes, examples and risks

1.3 Clinical Relevance

• Adaptations as precursors to disease

2. Mechanisms of Inflammation and Immune Response

2.1 Inflammation: Types and Phases

• Acute vs chronic inflammation
• Vascular and cellular events

2.2 Molecular Mediators

• Cytokines: types and functions
• Chemokines: role in cell recruitment
• Leukocytes: neutrophils, macrophages, lymphocytes roles

2.3 Immune System Components

• Innate vs adaptive immunity
• Immune response in pathophysiology

3. Genetic and Environmental Influences on Disease Development

3.1 Genetic Predisposition

• Gene mutations, polymorphisms
• Hereditary diseases

3.2 Environmental Factors

• Toxins, lifestyle, infections

3.3 Interaction of Genetics and Environment

• Multifactorial diseases
• Examples: cancer, cardiovascular disorders, autoimmune diseases

4. Pathophysiology of Neurological Disorders

4.1 Alzheimer's Disease

• Pathology, amyloid plaques, neurofibrillary tangles

4.2 Parkinson's Disease

• Dopaminergic neuron loss, Lewy bodies

4.3 Multiple Sclerosis

• Demyelination, immune-mediated mechanisms

4.4 Stroke

• Ischemic and hemorrhagic types, neuronal injury mechanisms

5. Hematological Disorders and Coagulation Pathways

5.1 Anemias

• Types, causes, pathophysiology

5.2 Leukemias

• Classification, malignant transformation

5.3 Thrombotic Disorders

• Hypercoagulability, embolism

5.4 Coagulation Pathways

• Intrinsic and extrinsic pathways
• Regulation and disorders

6. Endocrine System Dysfunction and Metabolic Disorders

6.1 Diabetes Mellitus

• Types, insulin deficiency/resistance

6.2 Thyroid Dysfunction

• Hypothyroidism, hyperthyroidism pathophysiology

6.3 Adrenal Insufficiency

• Addison's disease and related disorders

6.4 Impact on Metabolism and Health

7. Respiratory System Pathophysiology

7.1 Asthma

• Pathogenesis, airway inflammation and remodeling

7.2 Chronic Obstructive Pulmonary Disease (COPD)

• Emphysema, chronic bronchitis mechanisms

7.3 Pulmonary Embolism

• Causes, effects on gas exchange

8. Cardiovascular System Disorders and Hemodynamic Changes

8.1 Hypertension

• Pathophysiology and vascular effects

8.2 Coronary Artery Disease

• Atherosclerosis, ischemia

8.3 Heart Failure

• Systolic and diastolic dysfunction

8.4 Arrhythmias

• Mechanisms and clinical impact

8.5 Hemodynamic Parameters

• Cardiac output, preload, afterload

9. Renal and Urinary System Dysfunction

9.1 Acute Kidney Injury

• Causes and pathophysiology

9.2 Chronic Kidney Disease

• Progressive loss of function

9.3 Urinary Tract Infections

• Pathogenesis and clinical consequences

9.4 Impaired Filtration and Electrolyte Balance

10. Gastrointestinal System Pathophysiology

10.1 Inflammatory Bowel Disease

• Crohn’s disease and ulcerative colitis

10.2 Peptic Ulcers

• Causes, Helicobacter pylori role

10.3 Liver Cirrhosis

• Fibrosis, portal hypertension

10.4 Disruptions in Digestion, Absorption, and Elimination