Fundamentals of ECG and Basic
Dysrhythmias: Rhythm Test – 100%
Correct Answers & Explanations
What is the appropriate treatment for an unstable patient with atrial flutter and an
uncontrolled ventricular response; HR >150 beats per minute? - ---
✔✔✔ANSWER----Defibrillation
Caffeine, alcohol, and fatigue can be likely causes for (Select all that apply.) - ---
✔✔✔ANSWER----Atrial flutter
Sinus pause
Atrial fibrillation
Ventricular tachycardia
Which of the following conditions/situations may cause bradycardia? - ---
✔✔✔ANSWER----Hypoxia
, Which of the following is an accurate statement about sinus bradycardia? - ---
✔✔✔ANSWER----Atrial and ventricular rate is 40-60 beats per minute
Sinus tachycardia is defined as a sinus rhythm at a rate of _____. - ---
✔✔✔ANSWER----100-150 bpm
What is the name of the rhythm with an atrial rate greater than 250 beats per
minute, a non-measurable PR interval, and a ventricular rate of 120? - ---
✔✔✔ANSWER----Atrial fibrillation with uncontrolled ventricular rate
The sudden onset or cessation of a dysrhythmia is called? - ---
✔✔✔ANSWER----Paroxysmal
Which of the following arrhythmias are you likely to see with patients on
ventilators, infants and children, and with the elderly? - ---✔✔✔ANSWER--
--Sinus arrhythmia
Which of the following conditions may cause sinus tachycardia? - ---
✔✔✔ANSWER----dehydration
What rhythm shows a normal rate, normal QRS and PRI durations, and an absent
beat or beats - ---✔✔✔ANSWER----Sinus pause
Dysrhythmias: Rhythm Test – 100%
Correct Answers & Explanations
What is the appropriate treatment for an unstable patient with atrial flutter and an
uncontrolled ventricular response; HR >150 beats per minute? - ---
✔✔✔ANSWER----Defibrillation
Caffeine, alcohol, and fatigue can be likely causes for (Select all that apply.) - ---
✔✔✔ANSWER----Atrial flutter
Sinus pause
Atrial fibrillation
Ventricular tachycardia
Which of the following conditions/situations may cause bradycardia? - ---
✔✔✔ANSWER----Hypoxia
, Which of the following is an accurate statement about sinus bradycardia? - ---
✔✔✔ANSWER----Atrial and ventricular rate is 40-60 beats per minute
Sinus tachycardia is defined as a sinus rhythm at a rate of _____. - ---
✔✔✔ANSWER----100-150 bpm
What is the name of the rhythm with an atrial rate greater than 250 beats per
minute, a non-measurable PR interval, and a ventricular rate of 120? - ---
✔✔✔ANSWER----Atrial fibrillation with uncontrolled ventricular rate
The sudden onset or cessation of a dysrhythmia is called? - ---
✔✔✔ANSWER----Paroxysmal
Which of the following arrhythmias are you likely to see with patients on
ventilators, infants and children, and with the elderly? - ---✔✔✔ANSWER--
--Sinus arrhythmia
Which of the following conditions may cause sinus tachycardia? - ---
✔✔✔ANSWER----dehydration
What rhythm shows a normal rate, normal QRS and PRI durations, and an absent
beat or beats - ---✔✔✔ANSWER----Sinus pause
