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To have a FHR baseline you need how long? ✔Correct Answer-10 minutes of continous
tracinng
2 minutes of interpertable baseline that does not have to be contiguous
If there is NOT at least 2 minutes of interpretable baseline within the 10 min period, the
baseline is classified as ✔Correct Answer-Indeterminate
What are some causes of fetal Bradycardia? ✔Correct Answer--could be tracing mom
-heart block (mom has autoimmune disorder)
-labetolol
-maternal hypoglycemia
-maternal hypothermia
Labetolol does what to FHR ✔Correct Answer-Decreases
Maternal hypoglycemia or hypothermia does what to FHR ✔Correct Answer-Decreases
Scalp Stim is a ______ response ✔Correct Answer-Vagal
Why would a mom with lupus cause the baby to have a heart block? ✔Correct Answer-Moms
antibodies with mess with electrical conduction of baby's heart
Bradycardia is bring ruled by what part of nervous system? ✔Correct Answer-Parasympthetic
What could cause fetal tachycardia ✔Correct Answer-Maternal fever
Terb
Ephedrine
Dehydrated mom
Hyperthyroidism
Albuterol
Caffeine
Cocaine/meth
Fetal tachycardia has more of what nervous system pull? ✔Correct Answer-Sympathetic
When baby looks better why do you want to take oxygen off? ✔Correct Answer-Because free
radicals from oxygen can cause damage
, The term variability refers to ______ fluctuations in the FHR baseline ✔Correct Answer-
Irregular
Regular fluctuations in FHR baseline would indicate ✔Correct Answer-Sinusoidal
Amplitude ✔Correct Answer-How high
Frequency ✔Correct Answer-How often they occur
What is the most important predictor if adequate fetal oxygenation during labor? ✔Correct
Answer-Variability
If you don't have a baseline can you have variability? ✔Correct Answer-No
Minimal variability is defined as? ✔Correct Answer-Visually detectable, but less than 5bpm
Absent variability is defined as ✔Correct Answer-Visually undetectable
Moderate variability is defined as ✔Correct Answer-6-25 bpm
Marked variability is defined as ✔Correct Answer-Greater than 25bpm
Marked variability occurs in 2% of pregnancies and is seen in ✔Correct Answer-Active fetus or
hypoxia animal fetus
Could a anacephalic baby have moderate variability ✔Correct Answer-Yes depending on what
part of brain is there
When could you see minimal variability? ✔Correct Answer-Sleep cycle
Mag/stadol
Hypoxic baby
Pre existing neuro injury
What do you need to call it sinusoidal? ✔Correct Answer-3-5 oscillations within a minute for
20 minutes
If you see a sinusoidal heart rate you want to rule out? And draw what labs? ✔Correct
Answer-Abruption, rupture vasa previa, fetomaternal hemorrhage
Draw CBC, PT, PTT, fibrinogen, TEG, KB stain
What other less causes could cause sinosoidal? ✔Correct Answer-Recurrent mouth
movements
Stadol