Quiz Rated A+ (Verified)
An EKG technician is to apply an automated external defibrillator to a patient who
experiences ventricular fibrillation and is unresponsive. The patient does not have any
implanted devices in place. In which of the following locations should the technician
apply the defibrillator pads? - ANSWER-To the right of the upper sternum and to the left
mid axillary line.
An EKG technician observes vertical spikes followed by wide QRS complexes at a rate
of 70/min on a patient's EKG tracing. Which of the following statements by the
technician is correct? Hint- *The patient's heart rate is normal but the tracing isn't
showing that so..?* - ANSWER-"The patient has a ventricular pacemaker."
An EKG Technician recognizes that what percentage of patients who have ventricular
tachycardia become unresponsive immediately and require intervention? Hint-* 1/2 * -
ANSWER-50%.
Using the 1500 method, determine the patient's heart rate form the EKG tracing. Hint-
*Count all of the small boxes between the R-R and divide that # by 1500* - ANSWER-
115/ min.
Using the 6 second method, determine the patient's heart rate from the EKG tracing.
Hint-* multiply # of waves times 10* - ANSWER-120/ min.
Using the 6- second method, calculate the patient's heart rate from the EKG tracing.
Hint- *Count all R-R and multiply that # times 10* - ANSWER-190/min.
Using the EKG tracing, determine the duration of the QT interval. Hint- *Start by
counting the # of small boxes between the Q wave and end of the T wave* - ANSWER-
0.4 seconds.
Using the EKG tracing, determine the QRS duration. - ANSWER-0.12 seconds.
Using the EKG tracing, identify the arrhythmia that is present. - ANSWER-Sinus
Tachycardia
Using the EKG tracing, identify which of the following wave forms is inverted for lead II.
Hint- *Key word "inverted"* - ANSWER-T wave.
Using the EKG tracing. Determine the duration of the PR interval. Hint-* Multiply PR
interval (small boxes) times 0.04 seconds* - ANSWER-0.2 seconds.