Chapter 15 Serous Fluids Flashcards
Fluid between the membranes of closed body cavities
Serous fluid
Lines the cavity walls
Parietal membrane
Covers the organs within the cavity
Visceral membrane
Provides lubrication to prevent friction between 2 membranes when organs move
Serous fluid
Label the missing visceral and parietal membranes
Space between each lung and the chest wall
Pleural cavities
A thin membrane lines the pleural cavities
- composed of thin layer of mesothelial cells
- provides a moist surface to minimize friction
Pleura
Surrounds the heart
Pericardial cavity
Thin membrane that covers the pericardial party
- composed of a single layer of mesothelial cells
Pericardium
Pericardial fluid reactions
- Fluid can accumulate
- can restrict the normal heart beat (cardiac tamponade)
Name the cavity or cells
Space between the abdominal wall and outside of the stomach, small and large intestine, liver, and superior aspect of the urinary bladder and uterus
Peritoneal cavity
Consists of one layer of mesothelial cells
Peritoneal lining
Accumulation of peritoneal fluid
Ascites
3 types of body fluids
Pleural, pericardial, peritoneal
Similar findings for all 3 fluids (6)
- Minimal amount of fluid
- produced by the parietal lining
- absorbed by the visceral lining
- fluid is produced by plasma filtration through capillary endothelial cells
- amount produced depends on 4 factors
- pathological state results in effusion - abnormal fluid collection
What 4 factors does the amount produced depend on
- Increased capillary hydrostatic pressure
- decreased plasma oncotic pressure
- decreased lymphatic resorption
- increased capillary permeability
Types of effusion
Transudate and exudate
Contain a small amount of fluids to lubricate and cushion organ movement
Body cavities
Amount of fluid is maintained by an equilibrium between
The fluid, capillaries, and lymphatic vessels of an organ
Any compromise can cause an escape and buildup of fluids into the body cavity called
Effusion
Needle puncture for aspiration of fluids from body cavities
Centesis
Thoracentesis
Pleural
Pericardiocentesis
Pericardial
Paracentesis or peritoneocentesis also known as ascitic fluid
Peritoneal
Intermittent drainage of excess fluid through a catheter that remains in the pleural space
Pleural catheter
Repeated fluid removal via a syringe or temporary external catheter connected to a vacuum container
Serial thoracenteses
Creation of scar tissue in pleural space
Pleurodesis
Increased capillary hydrostatic pressure causes
Congestive heart failure
Salt and fluid retention
Decreased oncotic pressure causes
Nephrotic syndrome
hepatic cirrhosis
Malnutrition
Protein-losing enteropathy
Increased capillary permeability causes
Microbial infections
Membrane inflammations
Malignancy
Lymphatic obstruction causes
Malignant tumors
Lymphomas
Infection and inflammation
Thoracic duct injury
Causes of exudate
Increased capillary permeability
Decreased lymphatic absorption
Causes of transudate
Increased hydrostatic pressure
Decreased oncotic pressure
Conditions of exudate
Infections, inflammatory, neoplasms
Conditions of transudate
Congestive heart failure, renal disease, cirrhosis, malnutrition
Specific gravity: >1.015
Protein: >3.0 g/dL
Fluid:serum ratio: >0.5
Lactic dehydrogenase fluid:serum ratio: >0.6
WBC: >1000 per microliter
Diff: >25% PMN, many mesothelial cells, malignant cells
Fibrinogen: cause clotting
Exudate
Specific gravity: <1.015 Protein: <3.0 g/dL Fluid:serum ratio: <0.5 Lactic dehydrogenase fluid:serum ratio: <0.6 WBC: <1000 per microliter Diff: <25% PMN and lymphs Fibrinogen: none
Transudate
Decreased in infection, tuberculosis, rheumatoid inflammation
Glucose
Elevated in bacterial infections
Lactate
Increased in pancreatitis, esophageal rupture and malignancy
Amylase
Decreased in pneumonia resistant to antibiotics and esophageal rupture
pH
Increased in tuberculosis and malignancy
Adenosine deaminase