M4: Serous Fluids (Part 2: Pleural Fluid) Flashcards
- Located between Parietal & Visceral Membrane
- Pleural cavity
Pleural Fluid
Pleural Fluid
Pleural fluid cholesterol: ?
Pleural fluid: serum cholesterol ratio: ?
Fluid: serum total bilirubin ratio: ?
Exudate
Pleural fluid cholesterol: > 60 mg/dL
Pleural fluid: serum cholesterol ratio: > 0.3
Fluid: serum total bilirubin ratio: 0.6 or more
Pleural Fluid
- Immunologic Disease
- Measurement of Glucose is recommended
Rheumatoid arthritis
Pleural Fluid
Clear, Pale Yellow
Appearance
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Normal
Pleural Fluid
Turbid, White
Appearance
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Microbial Infection (Tuberculosis)
Pleural Fluid
Bloody
Appearance
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
- Hemothorax
- Hemorrhagic effusion
- Pulmonary Embolus
- Severe TB
- Malignancy
Pleural Fluid
Milky
Appearance
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
- Chylous material (from thoracic duct)
- Pseudochylous material (chronic inflammation)
Pleural Fluid
Brown
Appearance
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Rupture of Amoebic Liver Abscess
Pleural Fluid
Black
Appearance
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Aspergillus
Pleural Fluid
Viscous
Appearance
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Malignant Mesothelioma (Increased Hyaluronic Acid)
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
WBC, bacterial infection, TB
a. Turbidity
b. Blood
c. Milky
d. ALL
e. NOTA
a. Turbidity
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Rheumatoid arthritis
a. Turbidity
b. Blood
c. Milky
d. ALL
e. NOTA
a. Turbidity
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Occurs in
Malignancy, or a Traumatic Aspiration
BLOOD
Membrane Damage
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
high TAG, (+) Sudan III
a. Chylous
b. Thoracic Duct Leakage
c. Pseudochylous
d. a and b
e. a and c
f. NOTA
Milky
d. a and b
CORRELATION OF PLEURAL FLUID APPEARANCE & DISEASE
Chronic Inflammatory Conditions
a. Chylous
b. Thoracic Duct Leakage
c. Pseudochylous
d. a and b
e. a and c
f. NOTA
c. Pseudochylous
Chylous Effusion OR Pseudochylous Effusion
Cause: Thoracic duct damage
Appearance: Milky/White
Leukocytes: PREDOMINANTLY Lymphocytes
Cholesterol Crystals: Absent
Triglycerides: > 110 mg/dL
Sudan III Stain: Strongly
POSITIVE
Chylous Effusion
Chylous Effusion OR Pseudochylous Effusion
Cause: Chronic Inflammation, Lymphatic Obstruction
Appearance: Milky/Green tinge
Leukocytes: Mixed Cells
Cholesterol Crystals: Present
Triglycerides: < 50 mg/dL
Sudan III Stain: NEGATIVE or Weakly positive
Pseudochylous Effusion
Pleural Fluid: Hematology Tests
Macrophages
Normal Value
64-80%
Pleural Fluid: Hematology Tests
Lymphocyte
Normal Value
18-30%
Pleural Fluid: Hematology Tests
Neutrophils
Normal Value
1-2%
Pleural Fluid: Hematology Tests
Eosinophils
Normal Value
0
Pleural Fluid: Hematology Tests
Pneumothorax & Hemothorax
a. Macrophages
b. Lymphocytes
c. Neutrophils
d. Eosinophils
Differential count
d. Eosinophils
Pleural Fluid: Hematology Tests
Pancreatitis
a. Macrophages
b. Lymphocytes
c. Neutrophils
d. Eosinophils
c. Neutrophils
Pleural Fluid: Hematology Tests
Pulmonary Infarction
a. Macrophages
b. Lymphocytes
c. Neutrophils
d. Eosinophils
c. Neutrophils
Pleural Fluid: Hematology Tests
SLE
a. Macrophages
b. Lymphocytes
c. Neutrophils
d. Eosinophils
b. Lymphocytes
Pleural Fluid: Hematology Tests
Malignancy
a. Macrophages
b. Lymphocytes
c. Neutrophils
d. Eosinophils
b. Lymphocytes
Pleural Fluid: Hematology Tests
Normal even if higher
a. Macrophages
b. Lymphocytes
c. Neutrophils
d. Eosinophils
a. Macrophages
Pleural Fluid: Hematology Tests
presence of blood in pleural cavity
Hemothorax
Pleural Fluid: Hematology Tests
presence of excess AIR
Pneumothorax
Pleural Fluid: Hematology Tests
Decreases lung pressure
a. Hemothorax
b. Pneumothorax
c. both
d. NOTA
d. NOTA
Both increases pressure in lungs making it hard to inflate & breathe
Pleural Fluid
These are called malignancy of mesothelial cells
Mesothelioma
Pleural Fluid
T or F
It is normal to find single layer of Mesothelial cells in the lining of membranes of our serous cavities
T
Pleural Fluid
Appear as single, small, round cells with abundant blue cytoplasm with rounded nuclei
Mesothelial Cells
Pleural Fluid
- Abnormal Mesothelial
cells – Larger than usual - Appear in clusters
- Eccentric Nuclei (sometimes
multi-nucleated) - Not diagnostically significant
Reactive mesothelial cells
Reactive mesothelial cells are not diagnostically significant unless in cases of what (2) conditions?
Malignancy & Pneumonia,
mesothelial cell count is higher
Which of the following is not included in chemistry tests for pleural fluid?
a. Glucose
b. pH
c. ADA
d. Amylase
e. Triglyceride
which is indicative of chylous effusion
LAHAT KASAMA RAHHH
Pleural Fluid: Chemistry Tests
Volume of glucose which represent decreased glucose
<60 mg/dL
Pleural Fluid: Chemistry Tests
(Increase or Decrease in Glucose in Pleural Fluid?)
- Tuberculosis
- Rheumatoid Inflammation,
- Malignant Effusion
- Esophageal Rupture
- Lupus Pleuritis
- Purulent Infections
Decrease
Pleural Fluid: Chemistry Tests
Increase lactate levels = ?
inidicate whay condition
Bacterial Infections
Pleural Fluid: Chemistry Tests
If the pH is lower than 7.3, what condition is it associated with ?
Chest-Tube Drainage (Pneumonia)
Pleural Fluid: Chemistry Tests
If the pH is 0.30 degrees lower, what condition is it associated with ?
Acidosis
Pleural Fluid: Chemistry Tests
If the pH is 6.0, what condition is it associated with ?
Esophageal Rupture (Contamination of Gastric fluid)
Pleural Fluid: Chemistry Tests
T or F
Gastric secretion in esophagus and goes into serous fluid which makes it alkaline
F (ACIDIC)
Pleural Fluid: Chemistry Tests
Requirements for pH testing for pleural fluid?
- Anaerobic Heparinized Syringe
- Blood Gas Analyzer at 37°C.
Pleural Fluid: Chemistry Tests
> 40 U/L of ADA are highly indicative of
a. Acidosis
b. Tuberculosis
c.Malignancy
d. a and c
e. b and c
e. b and c
Pleural Fluid: Chemistry Tests
(2) factors elevated in cases of Esophageal Rupture
and Malignancy
Amylase, Salivary Amylase
Pleural Fluid: Chemistry Tests
If specimen is milky, what (3) parameters should be observed to check if Chylous or Pseudochylous
- Color & Presence of triglyceride
- SUDAN III staining
Significance of Chemical Testing
- Decreased Rheumatoid Inflammation
- Decreased Purulent infection
Based on significance, give what test it correlates with
Glucose
Significance of Chemical Testing
Elevated Bacterial infection
Based on significance, give what test it correlates with
Lactate
Significance of Chemical Testing
Elevated Chylous effusions
Based on significance, give what test it correlates with
Triglyceride
Significance of Chemical Testing
- Decreased Pneumonia NOT Responding to Antibiotics
- Markedly Decreased Esophageal rupture
Based on significance, give what test it correlates with
pH
Significance of Chemical Testing
- Elevated TB & Malignancy
Based on significance, give what test it correlates with
ADA
Significance of Chemical Testing
Elevated Pancreatitis, Esophageal rupture, & Malignancy
Based on significance, give what test it correlates with
Amylase
Based on significance, give what test it correlates with
Pleural Fluid: Microbiological Tests
Microbiological tests are used to determine primarily what (3) bacteria?
- STAPH A
- E. ANAEROBE
- M. TUBERCULOSIS
Pleural Fluid: Microbiological Tests
Which microrbiological test are used to detect presence of bacteria especially M. tuberculosis
a. Gram Stains
b. Cultures
c. AFS
d. Mycobacterium cultures
e. a and b
f. a and c
g. ALL
g. ALL
Pleural Fluid: Microbiological Tests
- more sensitive
test to detect M. tuberculosis
Polymerase chain reaction (PCR)
Test used to differentiate Effusions of Immunologic origin from NON-inflammatory process
Serological tests
Pleural Fluid: Serological Tests
(2) tests under serological tests?
- ANA (Antinuclear antibody)
- RF (Rheumatoid factor)
Pleural Fluid: Serological Tests
tests used with patient with SLE
a. ANA
b. RF
c. both
d. NOTA
a. ANA
Pleural Fluid: Serological Tests
Familiarize the tumor markers for pleural fluid which is associated with cancer
- Carcinoembryonic Antigen (CEA)
- CA 125 (Metastatic Uterine Cancer)
- CA 15.3 and CA 549 (Breast Cancer)
- CYFRA 21-1 (Lung Cancer)
Pleural Fluid: Serological Tests
CA 125
Identify which condition is associated with the tumor marker
Metastatic Uterine Cancer
Pleural Fluid: Serological Tests
CA 15.3 and CA 549
Identify which condition is associated with the tumor marker
Breast Cancer
Pleural Fluid: Serological Tests
CYFRA 21-1
Identify which condition is associated with the tumor marker
Lung Cancer
Pleural Fluid Testing
IF U SEE THIS CARD PAKICHECK YUNG PHOTO ABOUT FLUDI TESTING THX
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Pleural Fluid Testing
Familiarize steps for pleural fluid testing
- Check appearance
- Analyze Fluid:protein serum ratio; protein:LD ratio
- Check what type of Infection or Inflammation