Wk 3 Ch 8,9 (115)

What is the AV Node and surrounding area (including Bundle of HIS) known as?

• SA Node

• AV Junction

• Purkinje Fibers

• Bundle Branches

At what rate does the AV Node pace?

• 20-40 bpm

• 40-60 bpm

• 60-80 bpm

• 80-100 bpm

What happens to P-Waves as a result of currents initiated from the AV Junction traveling retrograde?

• P-Waves are upright

• P-Waves are inverted

• P-Waves are absent

• P-Waves are irregular

When can P-Waves occur in relation to the QRS complex?

• Only before the QRS

• Only during the QRS

• Only after the QRS

• Before, during (hidden or buried), or after the QRS

What happens when the impulse hits the atria and ventricles at the same time?

• Results in inverted P-Wave before the QRS

• Results in P-Wave buried in the QRS

• Results in P-Wave after the QRS

• Results in no P-Wave

What is the result when the impulse hits the atria before the ventricles?

• Results in P-Wave buried in the QRS

• Results in P-Wave after the QRS

• Results in inverted P-Wave before the QRS

• Results in no P-Wave

What occurs when the impulse comes from the lowest area of the AV Junction and hits the atria after the ventricles?

• Results in P-Wave buried in the QRS

• Results in inverted P-Wave before the QRS

• Results in P-Wave after the QRS

• Results in no P-Wave

What is another name for Supraventricular Tachycardia (SVT)?

• Paroxysmal Supraventricular Tachycardia (PSVT)

• Paroxysmal Ventricular Tachycardia (PVT)

• Persistent Supraventricular Tachycardia (PSVT)

• Paroxysmal Atrial Tachycardia (PAT)

What is the heart rate range for Supraventricular Tachycardia (SVT)?

• 50-100 bpm

• 100-150 bpm

• 150-350 bpm

• 200-400 bpm

What does the term "Supra" mean in the context of Supraventricular Tachycardia?

• Below

• Above

• Within

• Around