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sav NUR 405 week 3 content exam 2 > Introduction to Dysrhythmias > Flashcards

Introduction to Dysrhythmias Flashcards

1
Q

Continuous observation of HR and rhythm to alert to possible dysrhythmias-at the bedside-
CMS- central monitoring system
Not fail proof check your patient

A

telemetry monitoring

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2
Q

What is the intrinsic rate of fire for the SA node?

A

60 to 100 beats per minute

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3
Q

Abnormal cardiac rhythms

A

definition of dysrhythmia

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4
Q

Graphic tracing of electrical impulses produced by the heart
Waveforms represent activity of charged ions across membranes of myocardial cells

A

Electrocardiogram Monitoring

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5
Q

What is the P wave showing us?

A

atrial contraction

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6
Q

What is the dip at the end of the P wave, before Q showing us?

A

transmission of electrical current from the SA node to the AV node

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7
Q

What is the QRS complex, also known as the R wave showing us?

A

ventricular contraction

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8
Q

What is the distance from the beginning of the P wave to the Q called? What is it measuring?

A

PR interval, R is referring to the R wave. it is a time interval, if the PR interval takes too long you have a conduction problem from the SA to the AV node

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9
Q

What is the ST segment?What does it represent?

A

the end of R wave to the T wave, it represents repolarization of the ventricles

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10
Q

What does the T wave represent?

A

repolarization of the ventricles

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11
Q

What is the isoelectric line?

A

baseline of the wave

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12
Q

What is the RR Interval?

A

the distance from one R wave to the next

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13
Q

Can we see atrial relaxation?

A

no, it is masked by QRS activity

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14
Q

How long is the PR interval?What if it takes longer?

A

0.12 to 0.20 secondsIf it is longer there is a problem with conduction between the atria and the ventricle

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15
Q

How long is the QRS interval?

A

0.10 seconds or less, nice and tight

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16
Q

What is the time measurement of the itty bitty boxes?

A

0.04 seconds

17
Q

What is the time measurement of the larger boxes?

A

0.20 seconds

18
Q

How many seconds are the test strips measured in?

A

6 seconds

19
Q

How do you remember where to put the tele leads?

A

‘Snow’ on the grass (R), smoke over fire (L) & chocolate next to my heartwhite on the right

20
Q

What is the difference between tele and an ecg?

A

Continuous Unidimensional View
Monitoring Only
vs.
Snapshot in Time
Routine or STAT
Multidimensional View (12)
Diagnostic

21
Q

What do we need to know about reading a 12 lead ecg?

If there are two contiguous leads - next to each other on the monitor strip with elevated ST elevations, that can dx a ________

A

STEMI

22
Q

What is artifact?

A

irregularity in the ECG lead that is not coming from the patient

sav NUR 405 week 3 content exam 2 (8 decks)

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