ECG Quiz Week 2

Right Bundle Branch Block can have a qR' in V1?

• Yes

• What?

• No

• Maybe

What is the normal Mean Frontal QRS Axis range

• +90 to + 180 degrees

• -90 to -180 degrees

• -30 to -90 degrees

• -30 to +90 degrees

What is this?

• An Electrocardiograph

• Right Bundle Branch Block

• Left Posterior Hemiblock

• Left Anterior Hemiblock

Which ion drives pacemaker cell depolarisation?

• Magnesium

• Calcium

• Sodium

• Potassium

What is this?

• Sinus Arrhythmia

• Sinus Rhythm

• 2nd Degree AV Block Type 1

• SA Node Block Type 1

Lead I is recorded from which parts of the body

• Right & Left Foot

• Right Shoulder & Left Shoulder

• Left Shoulder & Right Foot

• Right Shoulder & Left Foot

Calculate the Mean Frontal QRS Axis ( in 2 minutes!)

• +120

• -60

• -120

• +60

What must be ruled out before Left Posterior Hemiblock can be considered?

• Right Bundle Branch Block

• Skulduggery

• Right Atrial Hypertrophy

• Right Ventricular Hypertrophy

What is responsible for depolarisation in the myocyte Action Potential?

• The Timer

• Calcium

• Automaticity

• Sodium

In Complete Heart Block there are more QRS complexes than P waves....

• True

• There is one P wave for every QRS

• False

• There are no P waves