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CVPR > CV - ARS arrhythmias > Flashcards

CV - ARS arrhythmias Flashcards

1
Q

what is the atrial rate of sinus tachycardia?

A

100-180 bpm

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2
Q

what is the atrial rate of reentrant SVTs?

A

140-250 bpm

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3
Q

what is the atrial rate of focal atrial tachycardia?

A

130-250 bpm

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4
Q

what is the atrial rate of atrial flutter?

A

180-350

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5
Q

what is the P wave morphology of sinus tachycardia?

A

normal

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6
Q

what is the P wave morphology of reentrant SVTs?

A

hidden or retrograde

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7
Q

what is the P wave morphology of focal atrial tachycardia?

A

differs from normal P

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8
Q

what is the P wave morphology of atrial flutter?

A

“saw-toothed”

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9
Q

what is the response of sinus tachycardia to carotid sinus massage?

A

atrial rate may slow

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10
Q

what is the response of reentrant SVTs to carotid sinus massage?

A

may abruptly terminate

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11
Q

what is the response of focal atrial tachycardia to carotid sinus massage?

A

AV block may increase, doesn’t usually revert?

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12
Q

what is the response of atrial flutter to carotid sinus massage?

A

AV block may increase

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13
Q

describe a third degree AV block

A

P waves are present at a regular, fast rate
widened QRS present at a much slower rate
no relationship between P waves and QRS

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14
Q

describe a premature atrial beat

A

P waves are present and followed by a QRS
QRS is narrow and mostly regular, but one P wave and QRS are early
the early P wave looks different (might be difficult to discern difference) from the others

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15
Q

describe atrial tachycardia

A

P waves preceding a narrow QRS in a very rapid, regular rhythm
160-220 bpm

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16
Q

describe junctional tachycardia

A

no visible P waves

narrow, regular QRS

17
Q

describe premature ventricular beats

A

wide QRS
inverted T waves
no P wave preceding abnormal beat

18
Q

describe ventricular tachycardia

A

very fast rhythm
wide QRS
no visible P waves

19
Q

is torsades de pointes a form of ventricular tachycardia or a ventricular fibrillation?

A

ventricular tachycardia

20
Q

describe torsades de pointes

A

wide complexes
very rapid rate
no P waves
sinusoidal pattern

21
Q

describe atrial flutter

A

extremely rapid, regular “picket fence” or “saw-tooth”
P wave rate 240-320 bpm
regular narrow QRS at a rate of 100 bpm
P:QRS ration 2:1 or 3:1 or 4:1

CVPR (14 decks)

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