ECG Week 3 Quiz

P waves are usually

• upright in II

• inverted in aVF

• pink

• upright in I and aVR

Phase 3 in the Pacemaker cell Action Potential is

• depolarisation

• plateau phase

• doesn't exist

• repolarisation

What is the rhythm?

• Sinus Bradycardia

• 2nd Degree AV Block type I

• 3rd Degree AV Block

• Accelerated Idioventricular Rhythm

Aspirin is safer than Oral Anticoagulation for older patients in Atrial Fibrillation

• True

• It's dangerous to thin old people's blood

• Neither - Clopidogrel is best

• False

A VVI pacemaker is......

• Single Chamber Fixed Pacing

• Single Chamber Demand Pacing

• Single Chamber Triggered Pacing

• A pain in the...…...

what is the axis? (you have 90 seconds)

• +120 degrees

• - 45 degrees

• -15 degrees

• -60 degrees

Phase 0 in the Myocyte cell Action Potential is

• repolarisation

• resting

• depolarisation

• plateau

In 2^nd degree AV block Type I there are more p waves than QRS

• Yes

• It depends

• No, there are more QRS complexes

• There is an equal number

What is the 5th beat?

• APB

• R on T VPB

• Multifocal VPB

• Artefact

What is responsible for the heart rate in Atrial Fibrillation?

• The Atria

• The Prince of Darkness

• The SA Node

• The AV Node