Chapter 9 : Sinus Bradycardia Flashcards by Jordan Brock | Brainscape

Q

The main pacemaker for a patient with sinus bradycardia is what?

A

SA node

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Q

In sinus bradycardia, the entire complex is broader, leading to a slower rate?

A

False

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Q

What phase of the action potential is lengthened in sinus bradycardia?

A

Phase 4

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Q

A slightly prolonged QT interval and QTc are considered normal in sinus bradycardia?

A

True

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Q

The main electrocardiographic segment that is lengthened in sinus bradycardia is what?

A

QTc

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Q

Myocardial infarctions can lead to sinus bradycardia?

A

True

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Q

Hemodynamically significant sinus bradycardia in a patient having an acute myocardial infarction should not be treated because they will get better as the patient’s ischemia resolves?

A

False

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