Week 7

Question 1

What are the characteristics of SVT?

Answer 1

• no normal P waves
• Narrow QRS
• > 150bpm

Question 2

If a rhythm is irregular, what is it likely to be?

Answer 2

Afib until proven otherwise

Question 3

What is controlled and uncontrolled afib?

Answer 3

• Controlled <100bpm

- Uncontrolled >100bpm

Question 4

What is the atrial rate for Aflutter?

Answer 4

300bpm

Question 5

What are the 5 criteria for VT?

EXAM

Answer 5

1. Rate >100bpm
2. Rhythm - regular
3. P waves - if present not associated with QRS
4. QRS complex - wide, bizzare, ST segment in opposite direction to QRS
5. Greater than 3 consecutive beats

Question 6

What are the inherent characteristics for idioventricular rhythms?

Answer 6

1. <40bpm
2. regular
3. no p waves or dissociated p waves
4. Has wide QRS - over 0.12 sec

• T waves are generally inversed to QRS

Question 7

What are the inherent characteristics for accelerated idioventricular rhythms?

Answer 7

1. 40 - 100bpm
2. regular
3. no p waves or dissociated p waves
4. Has wide QRS - over 0.12 sec

• T waves are generally inversed to QRS

Question 8

What are the characteristics for VF?

Answer 8

• chaotic ventricular rhythm
• rate - not discernible
• Rhtyhm - irregular
• P waves - absent
• PR interval - not discernible
• QRS - not discernible
• Chaotic mess!