Learning Objectives
5 objectives- Understand the fundamental principles and applications of clinical biochemistry in medicine.
- Analyze the structure, function, and clinical relevance of key biomolecules and enzymes.
- Explore major metabolic pathways and their associated disorders with biochemical diagnostic approaches.
- Evaluate the biochemical basis and clinical interpretation of endocrine function, acid-base balance, and electrolyte disorders.
- Apply knowledge of tumor markers, liver function tests, therapeutic drug monitoring, and quality control in clinical laboratory settings.
Content Outline
PreviewUnit 1457: Clinical Biochemistry
1. Introduction to Clinical Biochemistry
- Definition and scope of clinical biochemistry
- Role of biochemistry in medicine
- Biochemical tests in diagnosis: types and applications
- Understanding normal vs abnormal biochemical parameters
2. Biomolecules in Clinical Biochemistry
2.1 Carbohydrates
- Structure and classification
- Clinical significance: glucose monitoring, glycogen storage diseases
2.2 Lipids
- Types: triglycerides, phospholipids, cholesterol
- Role in health and disease: atherosclerosis, hyperlipidemia
2.3 Proteins
- Structure and function: enzymes, transport proteins, antibodies
- Clinical markers: albumin, globulins, plasma proteins
2.4 Nucleic Acids
- DNA and RNA overview
- Relevance in clinical diagnostics: genetic testing, mutations
3. Enzymes and Enzyme Kinetics in Clinical Biochemistry
- Enzymes as biological catalysts
- Enzyme kinetics: Michaelis-Menten theory, factors affecting activity (pH, temperature, inhibitors)
- Clinical enzyme assays: diagnostic and monitoring applications
- Examples: AST, ALT, ALP, CK
4. Metabolic Pathways and Disorders
4.1 Major Metabolic Pathways
- Glycolysis
- Tricarboxylic Acid (TCA) Cycle
- Oxidative phosphorylation
4.2 Metabolic Disorders
- Biochemical basis: enzyme deficiencies, genetic mutations
- Examples: diabetes mellitus, phenylketonuria, mitochondrial diseases
- Diagnostic markers and laboratory tests
- Treatment approaches
5. Hormones and Endocrine Function
- Biochemical properties of hormones: peptide, steroid, amine hormones
- Hormone regulation and signaling pathways
- Clinical biochemistry in endocrine assessment
- Diagnosis of hormone-related disorders: thyroid, adrenal, pituitary
- Monitoring hormone replacement therapy
6. Acid-Base Balance and Electrolyte Disorders
- Principles of acid-base homeostasis
- Buffer systems and pH regulation
- Electrolyte homeostasis: Na+, K+, Ca2+, Mg2+, Cl-
- Common electrolyte disorders: hyponatremia, hyperkalemia
- Clinical manifestations and biochemical basis
- Laboratory evaluation and interpretation
7. Tumor Markers and Cancer Biochemistry
- Definition and types of tumor markers
- Use in cancer diagnosis, prognosis, and treatment monitoring
- Biochemical alterations in cancer: metabolic reprogramming, enzyme expression changes
- Examples of tumor markers: PSA, CA-125, CEA
8. Clinical Enzymology and Liver Function Tests
- Liver function tests overview
- Enzyme assays: AST, ALT, ALP, GGT
- Bilirubin metabolism and measurement
- Other biochemical markers of liver injury
- Clinical interpretation in liver diseases: hepatitis, cirrhosis
9. Therapeutic Drug Monitoring
- Principles and importance
- Biochemical assay methods for drug level measurement
- Factors influencing drug metabolism: genetics, interactions
- Clinical applications: optimizing dosage, preventing toxicity
10. Quality Control and Assurance in Clinical Biochemistry
- Importance of accuracy and precision in laboratory testing
- Internal quality control procedures
- External quality assessment programs
- Strategies to maintain and improve laboratory performance
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