Heart Rhythms Flashcards by Denver H

Q

why would you need a 12 lead EKG?

A

to evaluate the entire heart

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Q

what medications slow down HR?

A

CCB
BB
digoxin

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Q

What do you give for hyperkalemia?

A

INSULIN

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Q

what do you assess for hypokalemia?

A

breathing pattern

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Q

What do you need to do before stress test?

A

NPO for the last 4 hours
hold beta blocker meds

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Q

What heart rhythms warrant synched cardioversion?

A

V-tach, A-fib, A-flutter

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Q

How many seconds should the PR be?

A

0.20

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Q

How many seconds should the QRS be?

A

0.08-0.10

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Q

How many seconds should the QT be?

A

450 in men
460 in women

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