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24 Cards in this Set
- Front
- Back
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Anxiety can cause
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- >muscle tension
->metobolic rate - > O2 demand ALL CAN ALTER THE PLACENTLAL EXCHANGE |
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Relaxation can cause
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> uterine flow
< tension |
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Promoting relaxation interventions
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- Comfortable environment
- walking (early) -shower/bath (active) - reduce intrusions -reassurance -void q 2 -massage -imagery -breathing |
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Medications
Direct effect on fetus: |
passage of drug or metabolites across placenta to fetus
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Medications
Indirect effect on fetus |
drug causes effect on mom and then blood flow is reduced
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Normal Maternal alterations in labor
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-Supine Hypotension
- Resp changes - Gastrointestinal slowing - Nervous system changes (>endorphines mean the pt requires less pain medication) -drug interactions |
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analgesic
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relieves pain without causing uncinsiousness
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anesthesia
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loss of sensation, sometimes conciousness
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Agonist
Def |
Drugs that directly stimulate the receptor site
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Agonist
Example |
Cholinergic-
> GI motility & tone, > secretions, bladder relaxation, < HR |
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Antagonist
Def |
Inhibits the response of the receptor site
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Antagonist
Example |
Cholinergic Antagonist. Blocks teh cholinergic respose.
- Dry mouth -blurred vision - > HR |
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Opiod analgesics
action examples |
- reduce perception to pain
- no loss of conscious - Demoral, Fentanyl, stadol, nubaine |
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Demoral and fentanyl are
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pure opiod agonists
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Stadol and Nubaine are
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moxed opiod agonost and antagonist
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Stadolol and Nubaine
Cautions |
- do not give if on heroin(cases withdrawel)
-do not give if rcvd a pure opiod -ceiling effect -cause resp depressions in neonate |
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Regional anesthesia
local |
to the perineaun
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Regional anesthesia
pudental |
novacaine into the pudental nerves
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Regional anesthesia
paracervical |
novacaine into cervix
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Epidural
given |
vag- L3-5
C sec- T4-6 |
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Epidural
before given |
admin of fluids
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Epidural
Adverse effects |
- Maternal hypotension
- bladder distension- pushing - catheter migration -? more c sect - fever - N/V -puritis, -resp depression |
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Spinal/Sub arachnoid block
over view |
- given at delivery (wroks fast)
- no feeling in legs - cannot push - Adverse effects( Spinal HA, Hypotension, bladder distension) |
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General Anesthesia
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-Risk of Aspiration of stomach contents & airway obstruction
-resp depression -uterine relaxation during induction, tilt toward left side |
