AMCA EKG PREP: THE
ELECTROCARDIOGRAM CORRECT
100%
Which of the following is correct regarding the ECG? - ANSWER It is much easier to
analyze an ECG printout to determine abnormalities than it is to examine an image that
is moving across a screen.
With ECG paper - ANSWER Five small squares, which make up a larger box, represent
0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine - ANSWER heart rate
_____ larger boxes equal a three second interval. - ANSWER Fifteen
On the top or bottom (and sometimes both) of the ECG tracing printout, there are often
vertical slashes or markings that can help you quickly determine the - ANSWER
approximate heart rate
The flat line seen on the ECG tracing - ANSWER can be used as a baseline or
reference point to identify the changing electrical movement.
The initiation of the impulse in the SA node and its movement through the atria
produces a - ANSWER P wave
Which of the following are characteristics of sinus P waves? - ANSWER There is one P
wave preceding each QRS complex.
The PR interval - ANSWER is normally 0.12 to 0.20 seconds in duration.
The QRS complex - ANSWER is larger in appearance than the P wave and consists of
three parts.
Artifact - ANSWER can mimic life-threatening dysrhythmias
An electrical current traveling toward a positive electrode produces a waveform that -
ANSWER points upward
The leads arranged on the frontal place - ANSWER provide inferior, superior, and
lateral views of the heart.
Precordial leads - ANSWER provide anterior and posterior views as well as a lateral
view of the heart.
ELECTROCARDIOGRAM CORRECT
100%
Which of the following is correct regarding the ECG? - ANSWER It is much easier to
analyze an ECG printout to determine abnormalities than it is to examine an image that
is moving across a screen.
With ECG paper - ANSWER Five small squares, which make up a larger box, represent
0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine - ANSWER heart rate
_____ larger boxes equal a three second interval. - ANSWER Fifteen
On the top or bottom (and sometimes both) of the ECG tracing printout, there are often
vertical slashes or markings that can help you quickly determine the - ANSWER
approximate heart rate
The flat line seen on the ECG tracing - ANSWER can be used as a baseline or
reference point to identify the changing electrical movement.
The initiation of the impulse in the SA node and its movement through the atria
produces a - ANSWER P wave
Which of the following are characteristics of sinus P waves? - ANSWER There is one P
wave preceding each QRS complex.
The PR interval - ANSWER is normally 0.12 to 0.20 seconds in duration.
The QRS complex - ANSWER is larger in appearance than the P wave and consists of
three parts.
Artifact - ANSWER can mimic life-threatening dysrhythmias
An electrical current traveling toward a positive electrode produces a waveform that -
ANSWER points upward
The leads arranged on the frontal place - ANSWER provide inferior, superior, and
lateral views of the heart.
Precordial leads - ANSWER provide anterior and posterior views as well as a lateral
view of the heart.
