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RB Y1 Cardiology > ECG > Flashcards

ECG Flashcards

1
Q

where should V1 be placed

A

right sternal edge, 4th intercostal space

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2
Q

V2

A

left sternal edge, 4th intercostal space

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3
Q

V3

A

halfway between V2 and V4

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4
Q

V4

A

apex beat 5th intercostal space, mid clavicular line

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5
Q

V5

A

anterior axillary line - in line with V4

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6
Q

V6

A

mid axillary line - in line with V4 and 5

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7
Q

WPW

A

broad QRS with slurred upstroke on R wave (delta wave)

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8
Q

hyperkalaemia

A

tall tented T waves and prominent U waves wide QRS

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9
Q

hypokalaemia

A

flattened T waves, prominent U waves

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10
Q

LA hypertrophy

A

bifid P wave

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11
Q

RA hypertrophy

A

prominent P wave

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12
Q

HR

A

300/no large squares between each R-R interval or between beats

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13
Q

what is the time interval of one small square and one large square

A

one small = 0.04mm

large = 0.2mm

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14
Q

irregular HR

A

no QRS in 30 large squares x 10

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15
Q

II, III and aVF

A

inferior R coronary

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16
Q

V2-V4

A

anterior LAD

17
Q

V1-V4

A

anteroseptal LAD

18
Q

anterolateral

A

LAD

1, aVL, V2-6

19
Q

ST and T wave changes but not q waves

A

subendocardial infarct - NSTEMI

20
Q

reciprocal changes in V1 and V2

A

posterior L circumflex and R coronary

21
Q

normal P wave duration

A

0.08-0.1 seconds

22
Q

what does the PR interval represent

A

AV nodal delay

0.12-0.2 sec

23
Q
A

atrial flutter

sawtooth baseline due to high frequency atrial impulses (F waves)

regular rhythm

24
Q
A

atrial fibrillation

no visible atrial waves

irregularly irregular QRS pattern

25
Q
A

LA hypertrophy

26
Q
A

hyperkalaemia

27
Q
A

hypokalaemia

28
Q
A

torsade de pointes

treat with Mg sulphate

29
Q
A

ventricular tachy

30
Q
A

SV tachy

31
Q

causes of ST depression

A

subendocardial infarct - non full thickness myocaridal ischaemia (NSTEMI)

32
Q
A
33
Q

draw the limb leads

A

Lead 1: RA to LA

Lead 2: RA to LL

Lead 3: LA to LL

34
Q

QRS complex duration

A

<0.1 second

35
Q

inferior

A

II, III, AvF

36
Q

anterior

A

V2-6

37
Q

anterolateral

A

V4-6, I, AvL

38
Q

anteroseptal

A

V2-4

39
Q
A

RB Y1 Cardiology (34 decks)

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