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Clin Med > EKG Identifiers/ Normals > Flashcards

EKG Identifiers/ Normals Flashcards

(103 cards)

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1
Q

one small box

A

0.04 sec

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2
Q

What artery affected by lateral MI

A

left circumflex

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3
Q

EKG finding of PE (but not diagnostic)

A

S1Q3T3

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4
Q

lead II

A

right arm (-) to left leg (+)

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5
Q

atrial rate

A

60-80

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6
Q

prolonged QT associated w/ risk of torsades

A

QT > 500 msec

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7
Q
  • QRS >0.1 and <0.12
A

IVCD

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8
Q

Mobitz II second degree block

A
  • lone P waves without QRS complexes
  • symptomatic, likely needs pacemaker
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9
Q

What artery affected by posterior MI

A

RCA

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10
Q

EKG findings of hypokalemia

A
  • T waves flattening/inversion
  • U wave
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11
Q
  • right axis deviation
  • normal or slightly widened QRS
  • S wave in lead I
  • Q wave in lead II, III, AVF
  • R waves in I and AVL
A

left posterior hemiblock

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12
Q

normal

A

lead I: positive lead AVF: positive

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13
Q

a fib

A
  • irregularly irregular rhythm
  • ventricular rate can vary but is often fast
  • atrial rate 350-450
  • no discernable P waves
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14
Q
  • irregular rhythm
  • P for every QRS
  • at least 3 different P waves
A

wandering atrial pacemaker

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15
Q

identifying feature of junctional escape rhythm

A

retrograde P waves

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16
Q

tachy-brady syndrome

A

alternating tachy and brady

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17
Q
  • irregular rhythm
  • P for every QRS
  • at least 3 different P waves
  • tachy
A

MAT

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18
Q

SVT

A
  • regular tachyarrythmia
  • usually narrow QRS but can have aberrancy
  • can be hard to see P waves
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19
Q

v fib

A
  • fine or coarse fibrillary waves
  • no discernable P waves or QRS complexes
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20
Q

Inferior lead group

A

II, III, aVF

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21
Q

left posterior hemiblock

A
  • right axis deviation
  • normal or slightly widened QRS
  • Q wave in lead II, III, AVF
  • R waves in I and AVL
  • S wave in lead I
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22
Q

sick sinus syndrome

A
  • SA node dysfunction assoc w/ unresponsive supraventricular automaticity foci
  • no escape beats
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23
Q

Lateral lead group

A

I, aVL, V5, V6

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24
Q
  • no P wave seen (could be retrograde P)
  • QRS narrow or wide
A

PJC

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25
Left Ventricular Hypertrophy
- Depth S wave in V1 + Height R wave in V5 or V6 = \> 35 mm or - R wave in aVL \> 11 mm
26
EKG finding of hypercalcemia
- short QT interval
27
LAD
lead I: positive lead AVF: negative
28
Long QT
exceeds 1/2 the cardiac cycle (\>1/2 the R to R interval)
29
augmented limb leads
AVF, AVL, AVR
30
wandering atrial pacemaker
- irregular rhythm - P for every QRS - at least 3 different P waves
31
RIght ventricular hypertrophy
- large R wave in V1 - R wavegets progressively smaller in V1-V6 - S wave persists in V5 and V6 - RAD
32
AVF
left foot positive
33
1st degree AV block
- prolonged AV node conduction - PR interval \>0.2 sec - PR interval consistently lengthened each cycle
34
RAD
lead I: negative lead AVF: positive
35
EKG findings of hyperkalemia
- peaked T waves - widened QRS - +/- wide, flat P waves
36
ventricular rate
20-40
37
- left axis deviation - Q waves in I and AVL - normal or slightly widened QRS - Small R waves in II, III, AVF
left anterior hemiblock
38
What artery affected by anterior MI
LAD
39
- prolonged AV node conduction - PR interval \>0.2 sec - PR interval consistently lengthened each cycle
1st degree AV block
40
PVC
- no P wave - Wide QRS
41
Normal QRS interval
- 0.06-0.1 sec - 1/2 large box - 3 small boxes
42
- irregularly irregular rhythm - ventricular rate can vary but is often fast - atrial rate 350-450 - no discernable P waves
a fib
43
EKG findings of cor pulmonale
- Transient or new RBBB - Large S wave in lead I - RAD
44
Right bundle branch block
- upward deflection in V1 and V2 with RSR' - S wave in lead 1 and V6 - QRS \> 0.12
45
- regular tachyarrythmia - usually narrow QRS but can have aberrancy - can be hard to see P waves
SVT
46
lead III
left arm (-) to left leg (+)
47
MAT
- irregular rhythm - P for every QRS - at least 3 different P waves - tachy
48
alternating tachy and brady
tachy-brady syndrome
49
- lone P waves without QRS complexes - symptomatic, likely needs pacemaker
Mobitz II second degree block
50
Anterior lead group
V1-V4
51
Left atrial abnormality
- Biphasic P wave in V1 with terminal portion being large and wide - P wave greater than one box deep and one box wide - P wave greater than 3 small boxes in leads I or II - M shape to P wave in lead II
52
QT \> 500 msec
prolonged QT associated w/ risk of torsades
53
Posterior lead group
V1, V2 (ST depression, big R waves)
54
one big box
0.2 sec
55
V tach
3 or more PVCs in a row
56
AVL
left arm positive
57
lead I: negative lead AVF: negative
extreme RAD
58
- low K+ - med induced - long QT syndrome
etiologies of torsades de pointes
59
Digitalis/Digoxin effect
- gradual downward curve of ST segment
60
- atrial rate 250-350 bpm - ventricular rate usually 150 - saw tooth/flutter pattern
a flutter
61
EKG findings of Wolff-Parkinson White
- delta wave - short PR - widened QRS
62
Left bundle branch block
- negative deflection of QRS in V1 - positive terminal forces in QRS in lead I - QRS \> 0.12 seconds - RSR' in V5 and/or V6
63
- negative deflection of QRS in V1 - positive terminal forces in QRS in lead I - QRS \> 0.12 seconds - RSR' in V5 and/or V6
Left bundle branch block
64
3 or more PVCs in a row
V tach
65
- no P wave - Wide QRS
PVC
66
AIVR
- no P waves - regular - normal rhythm - rhythm of reperfusion
67
most common SVT
AVNRT
68
\> 460 msec
prolonged QT interval women
69
junctional rate
40-60
70
IVCD
- QRS \>0.1 and \<0.12
71
EKG finding of hypocalcemia
- prolonged QT interval
72
a flutter
- atrial rate 250-350 bpm - ventricular rate usually 150 - saw tooth/flutter pattern
73
etiologies of torsades de pointes
- low K+ - med induced - long QT syndrome
74
PJC
- no P wave seen (could be retrograde P) - QRS narrow or wide
75
- no P waves - regular - normal rhythm - rhythm of reperfusion
AIVR
76
\> 440 msec
prolonged QT interval men
77
- early beat from atria - narrow complex - always has P wave
PAC
78
AVR
right arm positive
79
LVH Strain pattern
- Assymetric T wave inversion
80
Normal PR interval
- 0.12-0.2 sec - 1 large box - 5 small boxes
81
- QRS lands on T wave of previous complex - type of polymorphic v tach
torsades de pointes
82
prolonged QT interval women
\> 460 msec
83
- regular rhythm - rate 150-250 - wide QRS \> .12 sec
v tach
84
prolonged QT interval men
\> 440 msec
85
3rd degree (complete) heart block
- AV dissociation - escape rhythm, regular and pacing at inherent rate - P waves don't match QRS
86
lead I: negative lead AVF: positive
RAD
87
- fine or coarse fibrillary waves - no discernable P waves or QRS complexes
v fib
88
lead I: positive lead AVF: positive
normal
89
- PR interval gradually lengthens until one of the P waves fails to conduct to ventricles - usually asx, not requiring pacemaker
Mobitz 1 second degree block
90
left anterior hemiblock
- left axis deviation - Q waves in I and AVL - normal or slightly widened QRS - Small R waves in II, III, AVF
91
- upward deflection in V1 and V2 with RSR' - S wave in lead 1 and V6 - QRS \> 0.12
Right bundle branch block
92
Mobitz 1 second degree block
- PR interval gradually lengthens until one of the P waves fails to conduct to ventricles - usually asx, not requiring pacemaker
93
lead I
right arm (-) to left arm (+)
94
- AV dissociation - escape rhythm, regular and pacing at inherent rate - P waves don't match QRS
3rd degree (complete) heart block
95
- SA node dysfunction assoc w/ unresponsive supraventricular automaticity foci - no escape beats
sick sinus syndrome
96
torsades de pointes
- QRS lands on T wave of previous complex - type of polymorphic v tach
97
limb leads
I, II, III
98
PAC
- early beat from atria - narrow complex - always has P wave
99
Right atrial abnormality
- biphasic P wave in V1 with inital component being larger - P wave \> 2.5 mm in lead II
100
lead I: positive lead AVF: negative
LAD
101
extreme RAD
lead I: negative lead AVF: negative
102
What artery affected by inferior MI
RCA
103
v tach
- regular rhythm - rate 150-250 - wide QRS \> .12 sec

Clin Med (4 decks)

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