Final Flashcards
(23 cards)
What test is used instances of Fetal Destress or premature delivery
Fetal lung maturity tests
What’s tested for in the fetal lung maturity test
- Surfactants: lecithin and Spingomyelin
- Foam Stability
- aminostat
- microviscosity (fluorescence polarization )
What is the most common cause of death for newborns?
Respiratory distress syndrome
insufficient production of surfactants
L/S ratio greater that 2 mean
L/S ratio less than 2 mean?
- Mature lungs
- immature lungs
Protein that binds baby in place
Fetal fibrinectant
Green color of amniotic Fluid indicates
Meconium presence from swallowed amniotic fluid causing fetal poops.
Primary surfactant of Aveolar lining at lung
-maintains stability
Lecithin
Acts as a control when compared to lecithin?
Sphingomyelin
What is tested for in the foam stability test
Surfactants
Platelet sized cytoplasmic granules that store surfactant
Lamellar bodies
What are the time intervals when we perform amniocentesis
14-18 weeks- looking for genetic def, neural tube defects
20-42 weeks-fetal distress and lung maturity
Fecal analysis:
Term for fat in stool
Steatorrhea
Fecal analysis:fecal osmolality calculation
290- 2(fecal sodium+ fecal potassium)
if it exceeds 20 mOsm per kg= osmotic diarrhea
10-20 mOsn per k=secretory diarrhea
Fecal analysis:
Fecal occult blood test
Biggest screening tool for GI bleeds
Is for screening only not diagnostic
What is the developer in fecal occult blood test ?
H202
What can cause false positives in Fecal occult test
Different foods: linings of meat..etc
Ascites means
An increase in peritoneal Fluid
Test:
Microscopic count of neutrophils stained with methylene blue, Gram stain or Weight stains
examination for neutrophils
Test:
Microscopic examination of direct smear stained with Sudan III
(+): 60 large orange/red droplets
qualitative fecal fats
Test:
Pseudoperoxidase activity of hemoglobin liberates oxygen from hydrogen peroxide to oxidize guaiac reagent
(+): Blue Color
Occult Blood
Test:
Addition of sodium hydroxide to hemoglobin-containing emulsion determines presence of maternal or fetal blood
(+) Pink color
APT Test
Test:
Emulsified specimen placed on x-ray paper determines ability to digest gelatin
(+) Inability to digest gelatin indicates lack of trypsin
Trypsin
Test:
Addition of clinitest tablet to emulsified stool detects presence of reducing substances
Clinitest
