ECG

Question 1

Inferior ECG leads and vessel

Answer 1

Leads: II, III, aVF
Vessel: RCA

Question 2

Anteriorlateral ECG leads and artery

Answer 2

Leads: I, aVL, V5, V6
Vessel: L circumflex

Question 3

Anterioseptal ECG leads and artery

Answer 3

Leads: V2-V4
Vessel: LAD

Question 4

Anterior ECG leads and artery

Answer 4

Leads: V2-V6
Vessel: Left main stem

Question 5

Posterior ECG leads and artery

Answer 5

Leads: V1, V2, V3 (recip)
Vessel: RCA

Question 6

Long QT causes

Answer 6

Low K, low Ca
Macrolides, Tricyclics, anti-arhythmic
SAH

Question 7

Short QT causes

Answer 7

Beta blocker, digoxin, phenytoin

Question 8

Abnormal T wave if in leads:

Answer 8

I, II, V4-6

Question 9

J waves in ECG causes

Answer 9

hypothermia, SAH, hypercalcaemia

Question 10

AVRT p wave location

Answer 10

Visible between QRS complexes

Question 11

AVNRT p wave location

Answer 11

Absent or immediately before/after QRS

Question 12

Digoxin ECG

Answer 12

T wave inversion, down sloping ST depression

Question 13

PE ECG

Answer 13

S1QIIITIII, right ventricle starin (RAD, dominat R wave)

Question 14

Hyperkalaemia ECG

Answer 14

Tall tented T waves
Widened QRS
Absent P waves, sine wave appearance

Question 15

Hypokalaemia ECG

Answer 15

Small T waves, ST depression

Prolonged QT, u waves

Question 16

Ventricular escape cause

Answer 16

Due to complete AV block

Question 17

Nodal extrasystole p wave location

Answer 17

P wave in/immediately before/after QRS

Question 18

Ventricular extrasystole p wave location

Form of QRS and T wave

Answer 18

No p wave

Wide QRS, abnormal T wave

Question 19

Bifasicular block nerves

Answer 19

RBBB + left anterior hemiblock

Question 20

Trifasicular block nerves

Answer 20

RBBB + left anterior fasicular block + 1st degree AV block