Labour Flashcards

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1
Q

what sort of sensation does the lightly myelinated Aδ fibres carry?

A

Rapid, sharp pain and are responsible for initial reflex response

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2
Q

what sort of sensation does the lightly myelinated C fibres carry?

A

slow, burning pain

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3
Q

What centres contain high concentration of opioid receptors and endogenous opioids?

A

Periqueductal grey (PAG) in the midbrain and rostal ventromedial medulla (RVM)

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4
Q

Pain and childbirth: 1st stage?

A

Mainly Visceral, dull aching that is poorly localised?

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5
Q

Pain and childbirth: 2nd stage?

A

Mostly somatic - stiulation of pudendal nerve. sharp and severe and well localised

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5
Q

Pain and childbirth: 2nd stage?

A

Mostly somatic - stiulation of pudendal nerve. sharp and severe and well localised

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6
Q

Whats the difference between analgesics and anesthetics?

A

analgesics: relieves pain without total loss of feeling or muscle movement

Anaesthetics: blocks ALL feelings

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7
Q

Where does opioid analgesics act primarily?

A

spinal cord and brain to inhibit the neurotransmission of pain

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8
Q

Where does non-opioid analgesics act primarily?

A

peripheral tissues to inhibit the formation of algogenics such as prostaglandins

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9
Q

What does paracetamol inhibit?

A

inhibit TRPA1-ion channels in the CNS (surface of nerve cells).

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10
Q

What is target for anaesthetics? And what is the patient at risk of?

A

The GABAAreceptor (ligand gated ion channel).

risk of severe hypoxia and death from asphyxiation

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11
Q

What is target for anaesthetics? And what is the patient at risk of?

A

The GABAAreceptor (ligand gated ion channel).

risk of severe hypoxia and death from asphyxiation

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