WorksheetsWk 3 Ch 8,9 (115)
Total questions: 41
Worksheet time: 24mins
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
Where are ectopic foci located in Supraventricular Tachycardia (SVT)?
In the ventricles
In the atria or AV junction
In the left ventricle
In the right ventricle
What happens to the heart rate when the atria contract as soon as the ventricles relax?
The heart rate slows down significantly.
The heart rate becomes irregular.
The heart rate can become so rapid that P-Waves become difficult to identify.
The heart rate remains unchanged.
What becomes difficult to identify when the heart rate is very rapid?
(a)
Q-Waves
R-Waves
S-Waves
What might an SVT patient complain of?
Headache
Heart racing
Stomach ache
Dizziness
What should be done if an SVT patient starts showing signs of low cardiac output?
(a)
Give them water
Let them rest
Increase their physical activity
Which maneuver can be used to treat acute episodes in SVT patients?
Heimlich Maneuver
Valsalva Maneuver
CPR
Epley Maneuver
Which medication/ treatment might be necessary for treating an SVT patient?
Ibuprofen or Paracetamol
Adenosine or Cardioversion
Insulin or Metformin
Amoxicillin or Penicillin
What is the result of an abnormal, additional electrical conduction pathway between one of the atria and a ventricle called?
Bundle of His
Bundle of Kent
Purkinje fibers
AV Node
What does the Bundle of Kent allow a portion of the electrical impulse from the SA Node to do?
Enter the atrium directly and prematurely
Enter the ventricle directly and prematurely
Enter the AV Node directly and prematurely
Enter the Bundle of His directly and prematurely
What is the cause of a short PR interval in pre-excitation?
Ventricular late start
Ventricular early start
Atrial late start
Atrial early start
What happens to the impulse when it first enters the ventricular muscle in pre-excitation?
It travels quickly, causing the initial portion of the QRS to be sharp.
It travels slowly, causing the initial portion of the QRS to be slurred.
It stops, causing the initial portion of the QRS to be absent.
It reverses, causing the initial portion of the QRS to be inverted.
What is the result when the portion from the AV Node also enters the ventricles in pre-excitation?
Depolarization becomes slow
Depolarization becomes rapid
Depolarization stops
Depolarization reverses
What is the characteristic of the QRS complex in pre-excitation?
Abnormally narrow QRS (<0.12 s) with a slur
Abnormally wide QRS (>0.12 s) with a slur
Normal QRS (0.12 s) with a slur
Abnormally wide QRS (>0.12 s) without a slur
What is the slur of the QRS referred to as in pre-excitation?
Alpha wave
Beta wave
Delta wave
Gamma wave
What happens when the electrical current has difficulty traveling along the normal conduction pathway in the heart?
Increased heart rate
Delay or absence of ventricular depolarization
Enhanced blood flow
Immediate heart attack
What does the degree (or severity) of heart block depend on?
The patient's age
The area affected and cause of delay
The patient's diet
The time of day
What is the characteristic feature of a First Degree AV Block?
The R is far from P
Longer, longer, longer, drop
Some Ps don’t get through
Ps and Qs don’t agree
Which type of Second Degree AV Block is also known as Wenckebach?
Type I
Type II
First Degree
Third Degree
What happens in a Mobitz II block?
The R is far from P
Longer, longer, longer, drop
Some Ps don’t get through
Ps and Qs don’t agree
What is another name for a Third Degree AV Block?
First Degree AV Block
Second Degree AV Block
Complete Heart Block
Wenckebach
What is indicated by a delay in electrical conduction from the SA Node to the AV Node?
Second-degree AV block
Third-degree AV block
First-degree AV block
Normal heart function
What is a characteristic feature of a first-degree AV block on an ECG?
Shorter than normal PR interval
Longer than normal PR interval
Normal PR interval
Absent PR interval
Complete the phrase: "If the R is far from P, then you have a ______."
Second-degree AV block
Third-degree AV block
First-degree AV block
Normal heart function
Which type of heart block is also known as "classical heart block"
2nd degree (Mobitz type I)
1st degree
2nd degree (Mobitz type II)
3rd degree AV Block
"If P's and Q's don't agree, then you have a ...."
Mobitz Type II
1st degree
Complete Heart Block
Mobitz Type I
This waveform is of a (a)
What is this waveform?
SVT
Junctional rhythm with inverted P waves
Junctional rhythm with hidden P waves
WPW
Where is the sinoatrial node?
(a)
Where is the bundle of His ?
(a)
Where is the atrioventricular node?
(a)
Where is the right bundle ?
(a)
