ECG + arrhythmias

Question 1

Inferior leads on ECG

Answer 1

II + III + aVF

Question 2

Lateral leads on ECG

Answer 2

I + aVL + V5 +V6

Question 3

Septal leads on ECG

Answer 3

V1 + V2

Question 4

Anterior leads on ECG

Answer 4

V3 + V4

Question 5

Which vessel supplies the inferior territory on ECG?

Answer 5

Right coronary artery (posterior descending branch)

Question 6

Which vessel supplies the lateral territory on ECG?

Answer 6

Left coronary artery (circumflex branch)

Question 7

Which vessel supplies the septal and anterior territories on ECG?

Answer 7

Left anterior descending artery

• Septal branch = septal
• Diagonal branch = anterior

Question 8

Which vessel supplies the inferior territories on ECG?

Answer 8

Right coronary artery

Question 9

Name some narrow complex tachycardias

Answer 9

• Sinus tachycardia
• Atrial flutter
• Atrial fibrillation

Question 10

Narrow complex tachycardias represent the electrical signal being initiated where?

Answer 10

Supraventricular

Question 11

Broad complex tachycardias represent the electrical sign being initiated where?

Answer 11

Ventricular

Question 12

Name some broad complex tachycardias

Answer 12

• Premature/ectopic ventricular beats
• Ventricular tachycardia
• Torsade de pointes
• VF

Question 13

Name some bradycardias

Answer 13

• Sinus bradycardia
• First degree heart block
• Second degree heart block
• Third degree heart block