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EKG > Ch 6 Atrial Dysrhythmias > Flashcards

Ch 6 Atrial Dysrhythmias Flashcards

1
Q

Ectopic Impulse

A

An electrical impulse that comes from outside of the normal pacemaker site or electrical conduction pathway

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2
Q

What does PAC stand for

A

Premature Atrial Complexes

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3
Q

How to identify a PAC

A

P Wave occurs early
Positive deflection and sometimes not seen

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4
Q

Bigeminy

A

Occurs every 2nd complex

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5
Q

Trigeminy

A

Occurs every 3rd complex

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6
Q

Quadgeminy

A

Occurs every 4th complex

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7
Q

What does WAP stand for

A

Wandering Atrial Pacemaker

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8
Q

How to identify WAP

A

3 + different P waves
Heart rate 60-100

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9
Q

WAP is normal in who?

A

Children, older adults, well conditioned athletes

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10
Q

WAP can also be related to?
(Negative)

A

Organic heart disease
Drug toxicity

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11
Q

What is Wandering Atrial Pacemaker?

A

A rhythm in which the Pacemaker site shifts between the SA Node and other sites in the Atria or AV Junction

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12
Q

What does MAT stand for?

A

Multifocal Atrial Tachycardia

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13
Q

How to identify MAT

A

3+ different P Waves
100-150 bpm

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14
Q

What usually triggers MAT?

A

Acute Emphysema
Congestive Heart Failure
Acute mitral valve regurgitation

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15
Q

What do you do if you see MAT on a rhythm strip?

A

Report to the licensed practitioner. Monitor patients vital signs and condition

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16
Q

What is an Atrial Flutter

A

Occurs when rapid impulse originates in atrial tissue. Atria is not coordinated

17
Q

How to identify Atrial Flutter

A

Sawtooth pattern, F waves constant
Atrial rate: 250-350 bpm

18
Q

How to calculate atrial rate in an Atrial Flutter?

A

(Ventricular rate)×(number of Flutters per QRS complex)

19
Q

What is Atrial Fibrillation

A

A-Fib
Occurs when electrical impulses come from areas of multiple ectopic foci. Whole atrium quivers

20
Q

What is Atrial Fibrillation

A

A-Fib
Occurs when electrical impulses come from areas of multiple ectopic foci. Whole atrium quivers

21
Q

How to identify Atrial Fibrillation

A

Chaotic atrial electrical activity
Irregular R-R intervals

22
Q

What is dangerous about A-Fib?

A

Blood clots are prone to forming in the atria and can travel which can block blood from going to places

23
Q

A patient with AFib is at an increased risk of developing?

A

Cerebrovascular Accident (CVA or Stroke)
Myocardial Infarction (heart attack)
Pulmonary embolism (PE)
Renal Infarction

EKG (12 decks)

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