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EKG > Exam 1 > Flashcards

Exam 1 Flashcards

0
Q

rate = <60 bpm
p-wave positive in II and negatve in aVR
regular rhythm

A

sinus bradycardia

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1
Q

rate= 60-100 bpm
p-wave positive in II and negtive in aVR
regular rhythm

A

normal sinus rhythm

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2
Q

rate = >100bpm
p-wave positive in II and negative in aVR
regular rhythm

A

sinus tachycardia

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3
Q

rate may vary between 40-100 bpm
rhythm irregular
p waves upright in II, negative in aVR

A

sinus arrhythmia

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4
Q

rate may vary between 40-100 bpm
rhythm irregular
p waves upright in II, negative in aVR
rate slows down

A

sinus dysrhythmia

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5
Q

sinus node quite pacing

the next fastest automaticity focus “escapes to become the pacemaker

A

sinus pause/arrest

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6
Q

sinus node momentarily doesn’t pace
one beat is missed
sinus resumes pacing or the next fasteset automaticity focus “escapes” to become the pacemaker

A

sinus block

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7
Q

rate variable but normal at 60 to 100 bpm
rhythm irregular
p wave morphology variable (at least 3 different forms)

A

wandering atrial pacemaker

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8
Q 
rate = 60-80 bpm
rhythm regular
p waves upright or biphasic, different from sinus p waves
PR interval usually normal
late beat
A

atrial escape

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9
Q

fast: 150 to 250 bpm
rhythm regular
has p waves and normal QRS
pacer cells in the atria very irritable

A

atrial tachycardia

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10
Q

sudden onset

A

paroxysmal

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11
Q

very fast: 150-250 bpm
rhythm regular
p waves inverted (before or after) or absent (buried within QRS)

A

paroxysmal junctional tachycardia (pjt)

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12
Q 
fast: 150-250
rhythm regular
p waves questionable, may be hidden within the previous t wave - can't always distinguish between PAT or PJT
QRS normal
umbrella term
A

supraventricular tachycardia (SVT)

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13
Q

atrial rate of 250-350 bpm

rhythm: often regular with varying p:QRS ratios (2:1, 3:1, 4:1); sawtooth pattern
intervals: p waves in sawtooth pattern, pr interval=NA, QRS normal

A

atrial flutter

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14
Q

rate: atrial rate >350; ventricular rate variable

vent rate: rapid>120, controlled70-10-; slow

A

atrial fibrillation

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15
Q 
rate: variable; fast 100-250 bpm
rhythm irregularly irregular
intervals: p waves of variable form (should see 3 diff. forms); not all p waves always conduct through to the ventricles
PR interval variable
QRS normal
A

multifocal atrial tachycardia (MAT)

16
Q

one PVC:

A

isolated

17
Q

every other PVC

A

bigeminal

18
Q

every third PVC

A

trigeminal

19
Q

every fourth PVC

A

quadrigeminal

20
Q

3 or more PVCS

rate: fast…100-250
rhythm: regular or irregular
intervals: no p waves, QRS wide

A

ventricular tachycardia (v-tach)

21
Q

form of rapid v-tach, twisting of points

A

torsades de pointes

22
Q

chaotic; no discernible waves or complexes

course or fine undulations

A

ventricular fibrillation (V-fib)

23
Q

straight line

no electrical activity

A

asystole

24
Q

rate = 40-60 bpm
rhythm regular
p waves inverted when visible, may be in front of, within or after the QRS complex
PR interval < .12 (consistant)

A

AV nodal or junctional escape

25
Q 
rate = slow,; 15-40 bpm
rhythm = regular, but no p wave per R
p waves = absent or not related to QRS
pr = NA
QRS = wide
A

idioventricular or ventricular escapse

26
Q

has p waves and normal QRS

premature beat ectopic impulses

A

PAC ( pre atrial contraction)

27
Q

p waves inverted, absent or following QRS and normal QRS

premature beats, ectopic impulses

A

PJC ( pre junctional contractions)

28
Q

have p waves and wide QRS
P waves occur while the ventricles are partially refractory( still repolarizing; might be seen on the preceding T wave)
premature beats, ectopic impulses

A

aberrant beats

29
Q

measured p waves: height and duration

A

< .12 sec in duration

30
Q

PR interval: duration

A

.12 - .20

31
Q

QRS complex: duration

R wave: height

A

< .12

<= 15 mm

32
Q

ST segment: soelctice horizontal deviation

A

-.5 mm to +1 mm

33
Q

T Wave: voltage (height)

A

<= 5 mm

34
Q

QT interval: normal duration

A

<.44

should not exceed more than half of the R-R interval

35
Q 
Escape rhythms:
rate = slow; 15-40 bpm
rhythm = regular but no p wave per R
P waves = absent or not related to QRS
PR = NA
QRS = wide
A

ventricular escape or idioventricular rhythm

36
Q 
Escape rhythms:
rate = 40-60 bpm
rhythm regular
p waves inverted when visible - may be in front of, within or after the QRS complex
PR interval <.12 (consistent)
A

junctional escape or AV nodal rhythm

37
Q 
Escape rhythms: 
rate = 60- 80 BPM
rhythm regular
p waves upright or biphsic; different from sinus p waves
PR interval usually normal
A

atrial escape

38
Q 
Junctional rhythm:
rate = 60-100 bpm
rhythm regular
p waves inverted when visible - may be in front of, within or after the QRS complex 
PR interval <.12 (consistent)
A

accelerated junctional rhythm

EKG (1 decks)

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