Answers Graded A+
Waves, segments, and intervals on the ECG tracing - Correct answer-What is
evaluated and classified when determining dysrhythmias?
ventricular contraction. - Correct answer-QRS duration measurement is essential to
determine the time it takes for:
all of the atrial current is moving in the same pathway. - Correct answer-The shape
of the P wave is analyzed to determine whether:
Does each P wave have a QRS complex following it? - Correct answer-Which of
the following questions is necessary to analyze a P wave on an ECG tracing?
0.12 to 0.20 second. - Correct answer-The normal PR interval measurement is:
0.06 to 0.10 second. - Correct answer-The normal range for the QRS complex
duration is:
the ventricles to depolarize or contract. - Correct answer-The QRS complex
represents the time it takes for:
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, beginning of the P wave to the beginning of the QRS complex. - Correct answer-
Measuring the PR interval requires the ECG technician to measure from the:
Q and S wave junction - Correct answer-If you can't identify an R wave on the
ECG tracing, which of the following wave(s) would you use to determine the
regularity of the ventricles?
60 to 100 bpm - Correct answer-What is the rate of a normal sinus rhythm?
Normal sinus rhythm - Correct answer-Identify a rhythm using these criteria:
regular rhythm, ventricular and atrial rates are 60-100 beats/minute, P wave
precedes each QRS, PR interval and QRS duration within normal limits.
Sinus bradycardia - Correct answer-Which sinus rhythm has a rate of less than 60
beats per minute?
Shortness of breath, hypotension - Correct answer-What are common symptoms of
low cardiac output?
Patient's name, today's date and time, initials of the ECG technician - Correct
answer-The ECG tracing is considered a legal document and needs to be included
in the patient's medical record. What four items must be on each ECG tracing?
Medication or a pacemaker - Correct answer-A patient with sinus bradycardia may
require what type of treatment?
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