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The Short Textbook of Medical Laboratory for Technicians
Satish Gupte
SECTION 1: MEDICAL LABORATORY
CHAPTER 1:
General Introduction
GUIDELINES
Code of Ethics for Laboratory Technicians
Responsibilities of Medical Technician
General
Laboratory Investigations
Instructions for Laboratory Technicians
Arrangement of Laboratory
Main Requirements for Laboratory
Cleaning of Glasswares
Disposal of Laboratory Infected Material and Clinical Specimens
Disposable Boxes Containing Stools, Urine, Sputum, etc.
Sterilization and Cleaning of Glass Containers Used for Germ Containing Materials
Reagents and Their Preparation
Acetic Acid 10% (100 gm/liter)
Acid Ethanol (For modified Ziehl-Neelsen Stain)
Barium Chloride 10% (100 gm/liter) Aqueous Solution
Benedict Qualitative Solution
Buffered Water (For Giemsa and Leishman Stains)
Buffered Water (For JSB Stain)
Carbol Fuchsin (For Ziehl-Neelsen Stain)
Carbol Fuchsin (For Modified Ziehl-Neelsen Stain)
Cary-Blair Transport (Holding) Medium
Crystal Violet
Dichromate Cleaning Solution (For Cleaning Glasswares)
EDTA (Dipotassium Salt Solution) 10%
Eosin (2%) Solution in Saline
Fouchet's Reagent
Giemsa Stain
Gram Iodine Solution
Hydrochloric Acid (0.1N) 0.1 mol/liter
Jaswant Singh and Bhattacharya (JSB) Stain
Leishman Stain
Lugol Iodine Solution
Methylene Blue Aqueous
Ziehl-Neelsen Stain
Orthotolidine Reagent
RBC Diluting Fluid
Safranine Solution
Sodium Chloride Solution (0.85%)
Sodium Thiosulfate Aqueous Solution
Sperm Diluting Fluid (Formalin-Bicarbonate)
WBC Diluting Fluid
Willis Solution
Indicator
Preparation of Solutions in General
Percent Solution
Molar Solution
Normal Solution
N/10 Sulfuric Acid
N/1 Hydrochloric Acid
Dilutions of Sample or Solution
Preparation of Standard Acids and Bases
Sulfuric Acid 1 M
Sodium Hydroxide 1 M
SI Units
CHAPTER 2:
Laboratory Equipment
SECTION 2: HUMAN BODY FLUIDS
CHAPTER 3:
Body Fluids
EXAMINATION OF URINE
Collection of Urine
Esbach's Albuminometer
Procedure
Preservation of Urine Specimen
Routine Examination of Urine
Physical Examination
Urinometer
Construction
Procedure
Chemical Examination
Microscopic Examination
EXAMINATION OF CEREBROSPINAL FLUID (CSF)
Functions of CSF
Features of CSF
Collection of Specimen
Physical Examination
Cytological Examination
Chemical Examination
Qualitative Tests for Increase in Globulin
Silver Nitrate Titration Method
Principle
Reagents
Procedures
Calculation
Bacteriological Examination
Reporting of Cerebrospinal Fluid Examination
STOOL EXAMINATION
Collection of Stool
Physical Examination
Chemical Examination
Microscopic Examination
Miscellaneous
EXAMINATION OF SPUTUM
Collection of Sputum Specimen
Physical Examination
Reporting of Sputum
EXAMINATION OF SEMEN
Collection of Semen
Physical Examination
Microscopic Examination
SECTION 3: MICROBIOLOGY
CHAPTER 4:
Microbiology
BACTERIOLOGY
Microbiology
Bacteriology
Bacteria
Transmission of Bacteria
How do Disease Causing Bacteria Produce Disease?
Laboratory Identification of Bacteria
Types of Specimens Received in Bacteriology Laboratory
Specimen Containers
Bacterial Contamination of Specimen
Avoiding of Infection of Laboratory Workers
Morphology and Examination of Bacteria
Cocci
Bacilli
Demonstration of Bacteria in Unstained Preparations
Hanging-Drop Preparation
Demonstration of Bacteria in Stained Preparation
Microscopic Examination
Gram's Staining
Ziehl-Neelsen Staining
Albert Staining
Sterilization
Physical Methods
Chemical Methods
Culturing of Bacteria
Requirements for Bacterial Food
Culture Media
Containers Required for the Preparation of Media
Common Ingredients Required for the Preparation of Media
Liquid Media
Solid Media
Cystine Lactose Electrolyte Deficient (CLED) Medium
Culture Methods
Biochemical Test
Catalase Test
Coagulase Test
Hydrogen Sulfide Test
Indole Test
Methyl Red Test
Nitrate Reduction Test
Oxidase Test
Phenylalanine Test (PPA)
Triple Sugar Iron (TSI)
Christensen's Urease Medium Test
Voges-Proskauer Test
Brief Description of Some Bacteria
Pneumococci
Gonococci
Clostridium tetani
Tubercle Bacilli (Mycobacterium tuberculosis)
Diphtheria Bacilli
Salmonella typhi
Vibrio cholerae (Cholera Bacilli)
Vibrio Cholera
Treponema pallidum
Bacteriological Examination of Water
Collection of Water
Packing and Dispatching of Water Sample
Procedure for Bacteriological Examination of Drinking Water
MYCOLOGY
Methods for Studying Fungi in Specimen
Collection of Specimen
Microscopic Examination
Cultural Examination
PARASITOLOGY
Protozoa
Giardia lamblia
Malarial Parasites
Helminths
Hookworms (Ancylostoma duodenale)
Roundworm (Ascaris lumbricoides)
Pinworm (Enterobius vermicularis)
Whipworm (Trichuris trichiura)
Tapeworm (Taenia)
Dwarf Tapeworm (Hymenolepis nana)
IMMUNOLOGY
Widal Test
Principle
Requirements
Procedure
Latex Fixation Test for Rheumatoid Factor
Principle
Requirements
Procedure
C-Reactive Protein (CRP)
Principle
Requirements
Procedure
Latex ASO (Antistreptolysin-O)
Principle
Requirements
Procedure
Pregnancy Test (Gravindex Test)
Principle
Requirements
Procedure
Venereal Disease Research Laboratory (VDRL) Test
Principle
Requirements
Procedure
Kahn's Test
Principle
Requirements
Procedure
ELISA Test
Sandwich ELISA
Indirect ELISA
Uses of ELISA Test
ELISA Test for Hepatitis Bs Antigen
Results
SECTION 4: HEMATOLOGY
CHAPTER 5:
Hematology
NORMAL RANGE OF HEMOGLOBIN
Total Red Blood Cell Count
Specimen
Requirements
Procedure
Calculation
Normal Values
Erythrocyte Sedimentation Rate
Principle
Procedure
Wintrobe Method
Westergren Method (Figs 5.8A and B)
Packed Cell Volume (PCV)
Procedure
Normal Values
Absolute Values and Color Index
Mean Corpuscular Volume (MCV)
Mean Corpuscular Hemoglobin (MCH)
Mean Corpuscular Hemoglobin Concentration (MCHC)
Total Leukocyte Count
Requirements
Procedure
Calculation
Normal Range
Different Leukocyte Count
Preparation of Film
Procedure of Leukocyte Count
Leishman's Stain (Figs 5.13A to G)
Procedure of Leishman's Staining
Types of Leukocytes seen in Normal Blood (Fig. 5.14)
Reticulocyte Count
Absolute Eosinophil Count
Requirements
Stock Solution
Procedure
Calculation
Platelet Count
Requirements
Procedure
Calculation
Coagulation Time
Capillary Method
Lee and White Method
Bleeding Time (Duke's Method)
Procedure
Collection of Blood
Venous Blood
Capillary Blood
Arterial Blood
Anticoagulants
Lupus Erythematosus (LE) Cell Phenomenon
Direct Method
Indirect Method
Fragility of Red Blood Cells for Hemolytic Disorders
Principle
Method
Interpretation
Prothrombin Time
Principle
Procedure
Normal Value
Interpretation
Clot Retraction
Principle
Requirements
Procedure
Bone Marrow Examination
Sites of Bone Marrow Aspiration
Requirements
Procedure
Preparation of the Film
Examination of Bone Marrow Smear
Bone Marrow Biopsy
SECTION 5: BLOOD TRANSFUSION
CHAPTER 6:
Preservation of Blood
SECTION 6: HISTOPATHOLOGY
CHAPTER 7:
Histopathology
SECTION 7: BIOCHEMISTRY
CHAPTER 8:
Biochemistry
INDEX
TOC
Index
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