Cardiac Telemetry Newest Actual Exam Complete Questions and Correct Answers (Verified Answers) Already Graded A+
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Course
Cardiac Telemetry
Institution
Cardiac Telemetry
Cardiac Telemetry Newest Actual Exam Complete Questions and Correct Answers (Verified Answers) Already Graded A+
A nurse is watching the cardiac monitor and notices that the rhythm suddenly changes. there are no P waves, but the QRS complexes are wide, and the ventricular rate is regular but more ...
Cardiac Telemetry Newest Actual
Exam Complete Questions and
Correct Answers (Verified Answers)
Already Graded A+
A nurse is watching the cardiac monitor and notices that the rhythm suddenly changes.
there are no P waves, but the QRS complexes are wide, and the ventricular rate is
regular but more than 100 beats/min. the nurse determines that the client is
experiencing which of the following dysrhythmias?
A. sinus tachycardia
B. ventricular fibrillation
C. ventricular tachycardia
D. premature ventricular contraction - Answer-C
What are the major components of ventricular fibrillation? - Answer-1. rate unattainable
2. P waves may be present but are obscured by ventricular waves
3. QRS complexes are not apparent
4. chaotic electrical activity
5. rhythm is totally irregular
What does ventricular fibrillation do to cardiac output? - Answer-there is no cardiac
output present
When does ventricular fibrillation typically occur? - Answer-with serious heart disease,
especially acute MI
What is the course of treatment for ventricular fibrillation? - Answer-immediate
defibrillation
identification and treatment of underlying cause
What are the major components of aystole? - Answer-1. no rate
2. P waves may be seen, but there is no ventricular response
3. no QRS complexes
4. no conduction
5. no rhythm
Along what axis is time measured in an EKG paper? - Answer-across a horizontal axis
, What does each small square on an EKG strip represent? - Answer-1 mm in length
0.04 seconds
What does each large square on an EKG strip represent? - Answer-5 mm in length
0.2 seconds
How can a regular rhythm be calculated on an EKG strip? - Answer-when the rhythm is
regular, the heart rate is 250 divided by the number of large squares between the QRS
complexes
i.e.
3 large squares between regular QRS complexes, the heart rate is 83 (250/3=83)
How can an irregular rhythm be calculated on an EKG strip? - Answer-count the number
of R waves in a 6 second strip and multiply the number by 10
i.e.
7 R waves in a 6 second strip, the heart rate is 70 (7x10=70)
true or false: on a typical EKG grid, 5 small squares, or 1 large square, represent 0.2
seconds of time - Answer-true
What are the main treatments for v-tach? - Answer-check for pulse
defibrillation
ACLS
if responsive:
bearing down
cardioversion
ventricular tachycardia is characterized by:
A. three or more ventricular beats in a row
B. a rate of 100-220 BPM
C. wide and bizarre QRS complexes
D. all of the above - Answer-D
what does the P wave indicate? - Answer-atrial depolarization or contraction of the
atrium
*no notching or peaking should be present*
what is the normal duration of the P wave? - Answer->.20 seconds (less than 5 small
squares)
what is the normal amplitude of the P wave? - Answer-aka height
>3 mm
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