Ten Rules Flashcards Preview

Sem. B - ECG > Ten Rules > Flashcards

Flashcards in Ten Rules Deck (10)
Loading flashcards...
1

Rule 1

All waves -‘ve in aVR

2

Rule 2

ST should start isoelectric except in V1/V2

3

Rule 3

PR interval 120-200 msec (3-5 small sq)

4

Rule 4

Width of QRS should not exceed 110-120 msec (<3-4 small sq)

5

Rule 5

QRS and T waves in same general direction in limb leads

6

Rule 6

R wave in precordial leads must grow at least in V1-V4 (good progression)

7

Rule 7

QRS should be mainly upright in leads I and II

8

Rule 8

P waves upright in I, II and V2-V6

9

Rule 9

No Q wave (or only a small one <1 small sq in width) in I, II and V2-V6

10

Rule 10

T wave must be upright in I, II and V2-V6