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YEAR 3 SUDDEN DEATH > ECG > Flashcards

ECG Flashcards

1
Q

describe the ECG of Brugada syndrome

A

V1-3 RBBB
RSR in V1
M wave
ST elevation

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2
Q

the ECG changes in Brugada syndrome may be ____ or only seen ___

A

intermittent

with provocation testing with flecainide or ajmaline

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3
Q

describe the ECG changes of LQTS

A

long QT

T wave should end before half way between the two QRS complexes

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4
Q

describe the ECG changes of AF

A

irregularly irregular
absent P waves
big wide T wave

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5
Q

describe the ECG changes in HCM

A

widespread inverted T waves - indicates structural problem

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6
Q

describe the ECG changes in ARVC

A

epsilon waves - late spike in QRS complex

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7
Q

describe the ECG change in WPW

A

short PR

broad QRS with delta wave - curved upstroke into QRS

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8
Q

what is the P wave

A

atrial depolarisation

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9
Q

what is the QRS

A

ventricular depolarisation

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10
Q

what is the T wave

A

ventricular repolarisation

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11
Q

what is the PR interval

A

AV nodal delay

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12
Q

what is the TP interval

A

ventricular relaxation (diastole)

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13
Q

what is the ST segment

A

ventricular contraction (systole)

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14
Q

a large square represents how long

A

5mm = 0.2s

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15
Q

how long is a normal P wave

A

0.08-0.1s

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16
Q

how long is a normal QRS

A

< 0.1s

17
Q

how long is a normal T wave

A

0.12-0.2s

18
Q

ST elevation in leads I, V5 and V6 is what artery

A

circumflex artery

lateral

19
Q

ST elevation in leads II III and aVF is what artery

A

right coronary artery

inferior

20
Q

ST elevation in leads V1 V2 V3 and V4 is what artery

A

LAD (anterior)

21
Q

ST depression means what

A

ischaemia

22
Q

how is TdP treated

A

IV magnesium sulfate

23
Q

what does the ECG of TdP look like

A

long QT interval

wide and continuously changing QRS

24
Q

what does hyperkalaemia look like on ECG

A

tall tented T waves
wide QRS complexes
long PR interval
sine wave pattern

25
Q

what does hypokalaemia look like on ECG

A

prolonged PR interval
small inverted T waves
ST segment depression

26
Q

what does VT look like on ECG

A

broad complex tachycardia

27
Q

what does atrial flutter look like on ECG

A

saw tooth waves + 150bpm

28
Q

what is seen in 1st degree heart block

A

PR intervals > 0.2s

29
Q

what are the 2 types of 2nd degree heart block

A

Mobitz I and Mobitz II

30
Q

what is mobitz I

A

progressive lengthening of PR interval eventually resulting in dropped beat
3:1

31
Q

what is mobitz II

A

intermittent dropped beats without lengthening
2:1
p wave often not followed by QRS

32
Q

what is 3rd degree heart block

A

no assoc. between P waves and QRS

33
Q

what does acute pericarditis look like on ECG

A

saddle shaped ST elevation

PR depression

YEAR 3 SUDDEN DEATH (7 decks)

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