Defibrillation is a:
Shock to the heart to stop the heart
Shock to the heart to start the heart
Shock to the heart to change the hearts rhythm
Both A and C - CORRECT ANSWERS-Both A and C
The term for three or more PVC's occurring in a row at a rate of more than
100 beats per minute is:
A run of ventricular tachycardia
Ventricular trigiminy - CORRECT ANSWERS-A run of ventricular tachycardia
Leads II, III AVF view what portion of the heart?
Septal
Anterior
Inferior
Lateral - CORRECT ANSWERS-Inferior
Which of the following ECG leads are bipolar leads?
I, II, III
I and AVL
I, II, AVR
II and AV - CORRECT ANSWERS-I, II, III
The basic contractile unit of amyofibril is the:
SA node
Sarcomere
Intercalated disc
Action potential - CORRECT ANSWERS-Sarcomere
When the atria and ventricles are seen to be beating independently it is
called:
Second-degree heart block
Third-degree heart block
First-degree heart block
Classical heart block - CORRECT ANSWERS-Third-degree heart block
The usual rate of nonparoxsymal junction tachycardia is:
Tall, peaked T-waves observed on the ECG are most commonly seen in
patients with:
Hypokalemia
Hypernatremia
Hyponatremia
Hyperkalemia - CORRECT ANSWERS-Hyperkalemia
What is the rate range for junctional tachycardia?
10-80
200-280
100-180
Date 280 and over - CORRECT ANSWERS-100-180
The function of the AV node is to:
Originate the electrical signal
Delay the electrical signal to the Purkinje Fibers
Carry the electrical signal to the Purkinje Fibers
Carry the electrical signal to the Bundle Branches - CORRECT ANSWERS-
Delay the electrical signal to the Purkinje Fibers
A regular rhythm with a rate of 100-250 beats per minute would most likely
be:
Atrial Flutter
Atrial Fibrillation
Atrial Tachycardia
Asystole - CORRECT ANSWERS-Atrial Tachycardia
The most common type of supraventricular Tachycardia is:
Atrial flutter
AV nodal Reentrant tachycardia (AVNRT)
Atrial fibrillation
AV Reentrant Tachycardia (AVRT) - CORRECT ANSWERS-AV nodal Reentrant
tachycardia (AVNRT)
How do you determine whether the atrial rhythm on an ECG tracing is
regular or irregular?
Compare QT intervals
Compare R to R intervals
Compare P to P intervals
Compare PR intervals - CORRECT ANSWERS-Compare P to P intervals
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