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M3 > Cardi - ECG > Flashcards

Cardi - ECG Flashcards

(123 cards)

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1
Q

Intrinsic rate of SA node

A

60-100bpm

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2
Q

Intrinsic rate of AV node

A

40-60bpm

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3
Q

Intrinsic rate of Ventricular Cells node

A

20-45bpm

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4
Q

SA node is located at the upper portion of the RA _____ to the site where the SVC drainis into the RA

a. lateral
b. medial

A

A

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5
Q

ECG wave form corresponding to atiral depolarization

A

p wave

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6
Q

ECG wave form corresponding to ventricular depolarization

A

QRS complex

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7
Q

A left bundle branch block is manifested in the ECG as

A

wide QRS

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8
Q

The ST-T-U complex correspond to

A

repolarization

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9
Q

The junction between the end of the QRS complex and the beginning of the ST segment

A

J point

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10
Q

Conditions in which atrial repolarization can becom aparent in the ECG

A

acute pericarditis

atrial infarction

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11
Q

Standard speed of ECG

A

25mm/s

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12
Q

location of V1

A

4th ICS right parasternal border

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13
Q

location of V2

A

4th ICS left parasternal border

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14
Q

location V3

A

midway between V2 and V4

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15
Q

location of V4

A

5th ICS left midclavicular line

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16
Q

location V5

A

5th ICS, L AAL

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17
Q

location V6

A

5th ICS L MAL

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18
Q

precordial lead at 5th ICS left midclavicular line

A

V4

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19
Q

precordial lead at 4th ICS right parasternal border

A

V1

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20
Q

precordial lead at 5th ICS L anterior axillary line

A

V5

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21
Q

precordial lead at 4th ICS L parasternal border

A

V2

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22
Q

Location of V6

A

5th ICS L mid axillary line

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23
Q

precordial leads: Anterior wall of the heart

A

V3V4

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24
Q

precordial leads: Lateral wall of the heart

A

V5-V6

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25
The vector of lead I is going to the _____ a. left arm b. right arm c. foot
A
26
The vector of lead II is going a. left foot b. right foot c. left arm
A
27
The vector of lead III is going a. left foot b. right foot c. left arm
B
28
The vector of aVR is towards a. Right arm b. Left arm c. floor
A
29
The vector of aVL is towards a. Right arm b. Left arm c. floor
B
30
The vector of aVF is towards a. Right arm b. Left arm c. floor
C
31
formed from the two arms and left leg. 2 apices of the upper part of the triangle represent the points at which the two arms connect electrically with the fluids around the heart. Lower apex is the point at which the left leg connect with th fluids
Einthoven's triangle
32
The lead most commonly used during cardiac monitoring
lead II
33
lead I, II and II are a. Unipolar leads b. Bipolar leads
B
34
lead aVR, aVL, aVF are a. Unipolar leads b. Bipolar leads
A
35
Bipolar lead corresponding to left lateral wall of the heart
Lead I
36
Bipolar lead/s corresponding to inferior wall of the heart
Lead II, III
37
Unipolar lead/s that reflect right side of the heart
aVR
38
Affected wall when there's ST segment elevation at II, III, aVF
Inferior
39
Affected wall when there's ST segment elevation at V2, V3, V4
Anterior wallV2, V3, V4
40
Affected wall when there's ST segment elevation at V1, V2
Septum
41
Affected wall when there's ST segment elevation at V4, V5, V6
Lateral wall
42
Affected wall when there's ST segment elevation at I, aVL
High Lateral
43
Suspected artery with anterior wall MI
LAD
44
Suspected artery with lateral wall MI
left circumflex artery
45
Suspected artery with Right ventricular wall MI
right coronary artery
46
V1, V3R and V4R ST elevation a. RIght atrial ischemia b. Right ventricular ischemia c. Inferior wall MI d. Inferomedial wall MI
B
47
Normal duration of p wave
0.06-0.11s
48
Best lead to look at the atrium
Lead II
49
R atrial enlargement in ECG is peaked p wave with amplitude
>=2.5
50
what do you call peaked p waves on ECG
p pulmunale
51
what do you call left atrial enlargement on ECG
p mitrale
52
biphasic p wave in V1 with a broad negative component of a broad, often notched p wave in one or more limb leads
left atrial hypertrophy
53
Left atrial hypertrophy on lead V1
inverted p wave
54
most common condition causing notched p wave on Lead II or inverted p wave at Lead V1
mitral stenosis secondary to RHD
55
Normal duration of QRS complex
0.10-0.12s
56
The first negative deflection
Q wave
57
ECG finding: Rabbit Ear appearance at V1
RBBB
58
S in V1 + R in V5 or V6 whichever is larger or equal to 35mm R in aVL >=11mm
The Sokolow-Lyon Index
59
The Sokolow-Lyon Index signifies what chamber abnormality
LVH
60
S in V3 + R in aVL = _____ in men to qualify for Cornell voltate criteria
>28 mm
61
S in V3 + R in aVL = _____ in women to qualify for Cornell voltate criteria
>20 mm
62
\What does the ST segment measure?
time between actual ventricular depolarization and repolarization
63
ST elevation is normal if it does not exceed
1 small square
64
What does T wave correspond to?
repolarization of the ventricles
65
T wave should not be more than __mm in amplitude in standard leads and __mm in precordial leads
5mm standard leads | 10mm precordial leads
66
ECG findings in hypokalemia (<2.5mEq/L)
Prominent U wave Diphasic T wave Depressed ST segment
67
Normal duration of PR interval in terms of # of small squares
3-5
68
QRS should be ___ small squares
<3
69
What is the normal corrected QT interval for women
<0.46
70
What is the normal corrected QT interval for men
<0.45
71
saw tooth pattern of the p wave is seen in
Atrial flutter
72
Prominent ECG finding in First degree AV block
prolonged PR interval
73
p wave amplitude should not be more than __mm
2.5mm
74
p wave is usually positive in which limb leads?
all limb leads, EXCEPT aVR, variable in V1
75
Interpretation of inverted P wave a. impulses may be originating at varying sites b. wandering pacemaker c. SA node is not the pacemaker d. left atrial dilatation
C
76
normal duration of PR interval
0.12-0.20s
77
Prolonged PR interval EXCEPT a. first degree AV block b. cardiac glycoside c. Junctional dysrhythmia d. NOTA
C
78
normal duration of qrs complex
0.06-0.09s
79
Widened QRS EXCEPT a. atrial tachycardia b. bundle branch block c. PVC d. VT e. Idioventricular rhythm
A
80
part of ECG that represent early phase of ventricular repolarization
ST segment
81
T/F ST segment elevation 1mm above isoelectric point is normal
T; >1mm above or below isoelectric point abnormal
82
T wave is usually positive EXCEPT in a. aVR b. AVF c. II d. AOTA
A; could also be negative in III, V1, V2
83
MI a. peaked T waves b. inverted T waves c. biphasic T wave
B
84
Hyperkalemia a. peaked T waves b. inverted T waves c. biphasic T wave
A
85
Prolonged QT interval a. hypocalcemia b. hypercalcemia
A
86
Part of ECG representing His-Purkinje system
U wave
87
Left axis deviation value
-30 to -90deg
88
Right axis deviation value
+90 to 180deg
89
Normal axis
-30 to +90 deg
90
Extreme exis
-90 to 180
91
normal sinus rhythm: | cycle length do not vary by ___%
10%
92
Left anterior fascicular block a. left axis deviation b. QRS duration<120msec c. rS in II, III, aVF d. qR in I and aVL e. AOTA
E
93
``` Left posterior fascicular block axis deviation:_____ rS pattern in __ and ___ qR in _____ QRS duration:____ ```
RAD I and avL inferior leads <120msec
94
broad, notched R in V5-V6 and usually I and aVL a. LBBB b. RBBB
A
95
deep S waves in v5-v6 a. LBBB b. RBBB
B
96
QRS duration in LBBB or RBBB
>=120msec
97
ST elevation a. ischemia b. injury
B
98
peaked T waves, ST elevation, significant Q waves a. Ischemia b. Injury c. Infarction
C
99
Criteria for significant ST elevation
1mm in at least 2 limb leads | 2mm in at least 2 chest leads
100
Definition of pathologic Qwave
>25% of R wave amplitude and 0.04s duration
101
inverted T waves, St depression a. Ischemia b. Infarction
A
102
Septal MI
V1 | V2
103
Anterior MI
V3 | V4
104
Inferior MI
II, II aVF
105
Lateral
I, AvL
106
Anterolateral
V5, V6
107
Definition of Ischemia based on T wave
T wave inversion of at least 1mm in two contiguous leads
108
Peaked T waves a. hypokalemia b. hyperkalemia
B
109
Shortened QT interval a. hypokalemia b. hyperkalemia c. hypercalcemia d. hypocalcemia
C
110
Prolonged QT interval a. hypercalcemia b. hypocalcemia c. digitalis toxicity d. hyperkalemia
B
111
T/F U wave as tall as T wave is significant
T
112
Prolonged PR interval >0.2s a. 1st degree AV block b. Wenkebach c. Mobitz Type I d. Mobitz Type II
A
113
``` Progressive prolongation of the PR interval until there is a dropped beat a. 1st degree AV block b. Mobitz Type I c. Wenkebach d. A and B E. B and C ```
E
114
Mobitz Type II 2nd degree AV block a. regular P waves b. dropped beat c. PR interval does not change d. AOTA
D
115
QRS <0.12s a. normal qrs b. narrow qrs c. wide qrs
B
116
150-250 bpm a. sinus tachycardia b. SVT c. Afib d. VT
B
117
Narrow QRS EXCEPT a. SVT b. VT
A
118
Describe QRS of VT
Narrow
119
narrow qrs tachycardia, 150-250 bpm, no p waves
SVT
120
atrial firing in atrial fibrillation ___-___bpm
350-600/min
121
Atrial rate of atrial flutter
250-350/min
122
At least how many consecutive pVCs in ventricular tachycardia?
at least 3
123
5 types of ventricular tachcardia
``` nonsustained sustained monomorphic polymorphic torsades de pointes ```

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