Arrythmias Flashcards

1
Q

What is the most common cause of a pause, missed complex or block on an EKG

A

PAC
premature atrial complex
non-conductive

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2
Q

what is the most common cause of block on any EDG and population

A

non-conductive PAC

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3
Q

explain p wave in premature atrial complexes

A

p wave abnormal

- premature to P-P interval

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4
Q

QRS in PAC

A

normal

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5
Q

etiologies of PAC

A

stress
smoking
caffeine

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6
Q

P wave in atrial fibrillation

A

P waves are absent

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7
Q

what leads do you look at for atrial fibrillation

A
V1
V2
II
III
aVF
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8
Q

ventricular rhythm for atrial fibrillation? rate without treatment

A

irregularly irregular

100-180

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9
Q

base line of atrial fibrillation

A

no baseline

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10
Q

biggest cause of atrial fibrillation

A

hypertension

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11
Q

define atrial flutter

A

rapid regular atrial undulations at a rate of 240-340

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12
Q

what leads do you look at for atrial flutter

A

II
III
aVF
inverted flutter waves without an isoelectric baseline

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13
Q

if you see heart rate of 150 that seems to be stuck at 150 always think

A

atrial flutter

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14
Q

Multifocal atrial tachycardia, atrial rate

A

greater than 100

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15
Q

p waves fo MAC

A

3 different p waves

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16
Q

which rhythms have an isoelectic baseline

A

atrial fibrillation

atrial flutter

17
Q

define unifocal atrial tachycardia

A

3 or more consecutive ectopic atrial beats at rate 100-240

18
Q

what happens when Digixon toxicity

A

atrial tachycardia with block

19
Q

atrial tachycardia with block will show what

A

distinct isoelectic baseline between p waves