CTG Flashcards

1
Q

Normal Fetal HR

A

100-160

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2
Q

Causes of brady cardia

A

Increased vagal tone

Maternal BB use

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3
Q

Causes of tachycardia

A

Maternal Pyrexia
Chorioamnionitis
Hypoxia
Prematurity

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4
Q

Normal Variability

A

> 5 beats per minute

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5
Q

Causes of baseline variability <5/min

A

Hypoxia

Prematurity

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6
Q

Early decelleration meaning and Causes

A

HR lowering at onset of contracition and resumes when ends

Innocuous
Head compression

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7
Q

Late decelleration meaning and Causes

A

HR reduction after onset of contraction and resumes 30 seconds after end of contraction

Fetal asphyxia or placental insufficiency

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8
Q

Variable Decelerations meaning and Causes

A

HR lowering sporadically

Cord Compression

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