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Y1 Cardiovascular > ECG > Flashcards

Flashcards in ECG Deck (70)
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1

PR interval length?

0.12 - 0.2 secs

2

ST elevation in lead V4 indicates what location of MI?

Anterior

3

What should be given in chronic AF?

rate limiting drug and anticoagulation

4

What are U waves?

deflections following a T wave

5

Complete heart block shows what changes on an ECG?

absence of AVN conduction, typically bradycardia with uncoupled atrial and ventricular activity

6

treatment of symptomatic mobitz type I

atropine

7

If bradycardia is symptomatic or less than 40bpm then treat with...

atropine

8

What two rhythms are shockable?

VF and pulseless VT

9

Causes of Mobitz type II

anterior MI, Surgery, SLE, rheumatic fever, hyperkalaemia

10

ST elevation in lead III indicates what location of MI?

Inferior

11

ST elevation in lead aVL indicates what location of MI?

Lateral

12

Pathological Q waves may occur when...

There has been recent infarction

13

Hyperkalaemia may cause which ECG changes?

absent P waves, tall tented T waves, widened QRS

14

ST elevation in lead I indicates what artery in the MI?

Circumflex

15

ECG changes in Mobitz type II heart block?

intermittent non-conducted P waves with no PR prolongation. Usually 2:1 or 3:1

16

HR is determined in bpm as what with the large squares on the ECG paper?

300/no. of large squares between beats
300/no. of large squares between R-R

17

What happens in the TP segment?

Ventricular Diastole

18

QT interval length?

0.36 -0.44 secs

19

What are pathological Q waves?

>0.04s wide and >2mm deep

20

The WilliaM pattern in V1 and V6 can be seen in which condition?

Right bundle branch block

21

Normal p wave length

0.08-0.1 sec

22

ST elevation in lead V3 indicates what location of MI?

Anterior

23

Notched QRS complexes indicate...

Left bundle branch block

24

ST elevation in lead V1 indicates what location of MI?

Septal

25

Which Lead normally provides the ECG rhythm strip?

Lead 2

26

What can be seen in First degree heart block?

prolonged PR interval >200ms

27

What are pathological Q waves a sign of...

infarction

28

Hypokalaemia may cause which ECG changes?

small T waves, prominent U waves

29

ST elevation in lead V2 indicates what location of MI?

Septal

30

ST elevation may be seen in what situations?

MI, acute pericarditis, LV aneurysm