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Body Fluids
Body fluids, hematology, CSF
| Question | Answer |
|---|---|
| 5 types of body fluids | 1. Pleural 2. Peritoneal 3. Pericardial 4. CSF 5. Synovial |
| Pleural fluid 1. Anatomic site. 2. procedure | 1. Pleual cavity 2. Thoracentesis |
| Peritoneal fluid 1. Anatomic site. 2. procedure | 1. Peritoneal cavity 2. Paracentesis |
| Pericardial fluid 1. Anatomic site. 2. procedure | 1. Pericardial cavity 2. Pericardial aspiration |
| Synovial fluid 1. Anatomic site. 2. procedure | 1. Joint space 2. Joint aspiration (arthrocentesis) |
| CSF 1. Anatomic site. 2. procedure | 1. Spinal cord 2. Spinal tap, lumbar puncture |
| What 2 body sites normally contain fluids? | 1. CNS 2. Joint spaces |
| Name pleural lining that covers the lung. | Visceral pleura. |
| Name the lining that covers the inside of the chest wall | Parietal pleura |
| Ascites | Fluid accumulation in peritoneal cavityt. |
| What 4 organs are covered by peritoneal lining? | 1. Pancreas; 2. Duodenum; 3. Some lymph nodes; 4. Abdominal aorta. |
| 2 layers of peritoneal lining. | 1. Mesothelial cells layer; 2. Submesothelial connective tissue. |
| What is pericardium? | A thin membrane that covers pericardial cavity. |
| Cardiac tamponade. | Fluid accumulates in pericardial sac restricting the normal heart beat. |
| 6 layers that cover brain | 1. Pia mater; 2. Subarachnoid space; 3. Arachnoid mater; 4. Subdural space; 5. Dura mater; 6. Scull |
| The meninges consists of... | 1. Dura mater; 2. Arachnoid mater; 3. Pia mater. |
| What produces CSF? | Coroid plexus cells and ependymal lining cells found in the ventricles. |
| What space does CSF occupy? | Subarachnoid space between the arachnoid mater and pia mater. |
| Total volume of CSF: 1. in adults; 2. in neonates. | 1. 90 - 150 ml; 2. 10 - 60 ml |
| Rate of CSF production | 21 ml/hour |
| Special tissue cells in body fluids: 1. Pleural; 2. Peritoneal; 3. Pericardial; 4. Synovial; 5. CSF. | 1 - 3 Mesothelial cells; 4. Synovial cells + hyaluronic acid; 5. Choroid plexus cells & ependymal cells. |
| In what 3 fluids we can see neutrophils? | 1. Pleural; 2. Peritoneal; 3. Pericardial. |
| 3 types of lymphocytes in body fluids | 1. Small; 2. Large; 3. Reactive |
| Increased number of basophils can indicate… | Myloproliferative disorders |
| Syncytium | In CSF, cluster of arachnoid cells with a mass of cytoplasm containing several nuclei. |
| Cytocntrifuge artifact in neutrophils | Peripheral localization of nuclear lobes |
| 3 cytocentrifuge artifacts in lymphocytes. | 1. More prominent nucleoli; 2. Cytoplasmic projections; 3. Irregular shaped nucleus. |
| What lining produces pleural, pericardial and peritoneal body fluids? | Parietal |
| What lining absorbs pleural, pericardial and peritoneal body fluids? | Visceral |
| 4 factors affecting body fluid formation. | 1. Capillary hydrostatic pressure; 2. Plasma oncotic pressure; 3. Lymphatic resorption; 4. Capillary permeability. |
| Effusion | Abnormal fluid accumulation in pleural, pericardial and peritoneal spaces. |
| Transudate accumulates due to…. 2 examples of conditions. | A systemic disease state : 1. Increased capillary hydrostatic pressure in congestive heart failure; 2. Decreased plasma oncotic pressure due to hypoproteinemia of nephrotic syndrome or liver failure. |
| Exudate accumulates due to… | A primary pathologic state of the area. |
| Chylous effusion. 3 characteristics. | 1. Milky, opaque appearance. 2. High triglycerides (> 110 mg/dl); 3. Lymphocytes are predominant |
| Chylous effusion is a result of.. | Chylous effusion is a result of.. Leakage of lymphatic vessels due to malignancy or trauma. |
| Pseudochylous effusion is a result of… | Chronic effusion due to tuberculosis and rheumatoid arthritis. |
| Pseudochylous effusion. 2 characteristics. | 1. Triglycerides <50 mg/dl 2. Mixed reactive, inflammatory and necrotic cells. |
| 4 nonspecific reactive changes in mesothelial cells | 1. Multiple nuclei; 2. Nucleoli; 3. Mitotic activity; 4. Increase cell size. |
| Traumatic tap vs CNS hemorrhage. | Traumatic tap: RBCs in the 1st tube>> RBCs in the last tube collected |
| Xantochromia. What does it indicate? | Pink to orange CSF. Indicates true CNS hemorrhage. |
| What is definitive sign of CNS hemorrhage (on cellular level)? | Erythrophagocytosis by histiocytes. |
| How long does it take for histiocytes to phagocyte erythrocytes? | 18 hours after CNS hemorrhage. |
| What is an indicator of old (>18 hours) CNS hemorrhage? | Presence of hematoidin crystals. |
| Transudate. Specific gravity | <1.015 |
| Transudate.Total protein | <3.0 g/dl |
| Transudate.Fluid:serum protein ratio | < 0.5 |
| Transudate.Lactate dehydrogenase fluid:serum ratio | < 0.6 |
| Transudate.WBC count | < 1000/ ul |
| Exudate. Specific gravity | >1.015 |
| Exudate. Total protein | > 3.0 g/dL |
| Exudate. Fluid:serum protein ratio | > 0.5 |
| Exudate. Lactate dehydrogenase fluid:serum ratio | > 0.6 |
| Exudate. WBC count | > 1000 /ul |
| What is the most common microorganism seen in CSF? | Cryptococcus |
| Hyaluronic acid | Mucopolysaccharide secreted by synovial cells. |
| CSF. Slightly hazy. Dilution. | 1:10 (30μl of sample + 270μl) |
| CSF. Hazy. Dilution | 1:20 (30 μl of sample + 570μl) |
| CSF. Slightly cloudy. Dilution | 1:100 (30 μl of sample + 2970μl) |
| CFS. Slightly bloody. Dilution | 1:200 (30 μl of sample + 5970μl) |
| CSF. Cloudy, bloody, turbid. Dilution | 1:10,000 (0.1 ml of a 1:100 dilution + 9.9ml) |
| Bacterial meningitis. 6 CSF findings. | 1.↑ WBC 2. Neutrophils 3. ↑↑ Protein 4. ↓↓ Glucose 5. Lactate > 35 mg/dl 6. Pos. Gram stain |
| Viral meningitis. 5 CSF findings. | 1.↑ WBC 2. Lymphocytes 3. mod.↑ protein 4. normal glucose 5. Normal lactate |
| Tuberculosis. 5 CSF findings. | 1.↑ WBC 2. Lymphocytes and monocytes 3. ↑ protein 4. ↓ glucose 5. lactate > 25 mg/dl |
| Fungal meningitis. 6 CSF findings. | 1.↑ WBC 2. lymphocytes and monocytes 3. ↑ protein 4. normal/↓ glucose 5. lactate > 25 mg/dl 6. pos. India ink |
| Pleural fluid. Clear, pale yellow. | Normal |
| Pleural fluid. Turbid white. | Microbial infection (tuberculosis). |
| Pleural fluid. Bloody. | Hemothorax. Hemorrhagic effusion. |
| Pleural fluid. Milky. | Chylous or pseudochylous effusion. |
Created by:
Teresa_indigo
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