ECG

Question 1

ECG

How does LBBB appear?

Answer 1

• QRS >120ms
• dominant s-wave (V1)
• broad-notches R wave
• absent Q wave (V6)

Question 2

ECG

How might NSTEMI or UA appear?

Answer 2

• pathological q-waves
• t-wave inversions
• ST depressions

Question 3

ECG

How does RBBB appear?

Answer 3

This is characterised by ‘MaRRoW’- M wave in V1, W wave in V6.

Question 4

ECG

How might pericarditis appear?

Answer 4

widespread PR depression and ST elevation

Question 5

ECG

Classic and common ECG changes in PE

Answer 5

S1Q3T3:
- large S wave in lead I
- a large Q wave in lead III
- an inverted T wave in lead III

RBBB + RAD
sinus tachycardia