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EKG > L2: Leads > Flashcards

L2: Leads Flashcards

1
Q

Inferior leads

A

II, III, aVF

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2
Q

What type of lead:

V1

A

Unipolar lead

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3
Q

Augmented limb leads…

A

small waveforms enhanced by machine. 1 (+) lead, 2 ground leads

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4
Q

What type of lead:

V4

A

Unipolar lead

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5
Q

Anterior leads

A

V1-V4

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6
Q

What type of lead:

aVL

A

Augmented limb leads

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7
Q

Bipolar leads…

A

use one (+) and one (-) electrode
PLUS
a 3rd electrode (“ground”

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8
Q

aVR degrees

A

(-)150

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9
Q

Lead II goes from

A

right arm (-) to left leg (+)

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10
Q

Waveforms in MCL1 are

A

Downward

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11
Q

Lead I goes from

A

right arm (-) to left arm (+)

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12
Q

Leads showing horizontal plane

A

Precordial leads V1-V6

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13
Q

V5 is placed ____

A

anterior axillary line, same horizontal plane as V4

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14
Q

Lead II degrees

A

60

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15
Q

aVL points towards

A

left arm

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16
Q

What type of lead:

V2

A

Unipolar lead

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17
Q

V6 is placed ____

A

midaxillary line, same horizontal plane as V4

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18
Q

V3 is placed ____ and reflects activity at _____

A

halfway between V2 and V4

septum

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19
Q

What type of lead:

aVR

A

Augmented limb leads

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20
Q

aVF points towards

A

left leg (foot)

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21
Q

Waveforms in MCL6 are

22
Q

Precordial leads _____ show QRS as biphasic

23
Q

What type of lead:

V6

A

Unipolar lead

24
Q

Lateral leads

A

I, aVL, V5-V6

25
Q

Unipolar leads

A

use a (+) electrode a reference point, the center of the heart, calculated by the ECG machine

26
Q

What type of lead:

V5

A

Unipolar lead

27
Q

Precordial leads _____ show QRS as (-)

28
Q

Lead most aligned with heart’s normal electrical activity

29
Q

MCL1

A

(+) electrode at V1 position

30
Q

Lead III degrees

31
Q

Precordial leads ______ show QRS as (+)

32
Q

aVR shows

A

RA (+) → Views base of heart→ atria and great vessels

33
Q

What type of lead:

I

A

Bipolar lead

34
Q

What type of lead:

III

A

Bipolar lead

35
Q

aVL shows

A

LA(+) → views lateral wall of left ventricle

36
Q

What type of lead:

aVF

A

Augmented limb leads

37
Q

aVF shoes

A

LL (+) → views inferior wall of left ventricle

38
Q

Lead III goes from

A

left arm (-) to left leg (+)

39
Q

aVF degrees

40
Q

Lead I degrees

41
Q

MCL6

A

(+) electrode at V6 position

42
Q

V2 is placed ____ and reflects activity at _____

A

4th ICS on left of sternum

right ventricle

43
Q

aVR points towards

44
Q

What type of lead:

II

A

Bipolar lead

45
Q

Leads showing frontal plane

A

I, II, III, aVR, aVF

46
Q

V4 is placed ____ and reflects activity at _____

A

5th ICS in MCL

septum

47
Q

What type of lead:

V3

A

Unipolar lead

48
Q

aVL degrees

49
Q

V1 is placed ____ and reflects activity at _____

A

4th ICS on right of sternum

right ventricle

50
Q

What are modified chest leads used for?

A

Telemetry, monitoring in ED/ICU

MCL1 + MCL6

EKG (10 decks)

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