Arrythmias

Question 1

What are some differentials for regular narrow QRS tachycardia

Answer 1

1. SVT
2. Atrial Flutter
3. Sinus tachycardia
4. Atrial tachycardia

Question 2

What are some differentials for irregular narrow QRS tachycardia

Answer 2

1. AF
2. Multifocal atrial tachycardia
3. Atrial flutter with variant conduction

Question 3

What are some differentials for regular wide QRS tachycardia

Answer 3

1. Monomorphic VT
2. SVT with aberrancy
3. Any of narrow QRS regular with BBB or WPW

Question 4

What are some differentials for irregular wide QRS tachycardia

Answer 4

1. Polymorphic VT
2. Any of narrow irregular QRS with BBB or WPW

Question 5

What are some causes of Left axis deviation

Answer 5

• LVH
• Left anterior fascicular block
• Inferior MI

Question 6

What are some causes of Right axis deviation

Answer 6

• RVH
• PE/COPD
• right heart strain
• lateral MI

Question 7

What is characteristic of a RBBB

Answer 7

RSR on V1. Think about ASD

Question 8

What is characteristic of a LBBB

Answer 8

M in V6, think about AS or ischemic disease