Uterine Blood Flow Flashcards by Rachel Oakman | Brainscape

Q

Uterine BF

A

Increased

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Q

What is the uterine blood flow dependent on?

A

Pressure. No autoregulation.

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Q

Causes of decreased perfusion pressure? (7)

A

Supine position: aortocaval compression
Maternal hypotension
Uterine contractions
Oxytocin
Catecholamines (stress)
Vasopressors
LA in high doses

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Q

Drugs passage across placental barrier

A

Smaller molecular weight, lipid soluble and non-ionized can pass

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Q

If BP decreases, uterine blood flow will?

A

Decrease

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Q

If SVR increases, uterine blood flow will?

A

Decrease

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Q

Interruption with uterine blood flow will cause?

A

Fetal Bradycardia (<120) normal 120-160)

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