Advanced Cardiac Dysrhythmias Exam Actual Questions And Answers Latest Update 2025/2026

Advanced Cardiac Dysrhythmias Exam Actual
Questions And Answers Latest Update 2025/2026
1. What is the first thing to do when you notice a dysrhythmia?-
Answer:- Assess signs and symptoms

2. Signs & Symptoms of symptomatic dysrhythmias-Answer:-
Chest discomfort, change in LOC, change in blood pressure

3. Risk factors for dysrhythmias-Answer:- Electrolyte
abnormalities Fluid volume changesHypoxemia Altered body temp

4. Hypokalemia will cause a wave-Answer:- U wave




5. Hyperkalemia will cause a tall, peaked wave-Answer:- T
wave

,6. Hypocalcemia will cause-Answer:- prolonged ST segment or
QT seg




7. Hypercalcemia will cause-Answer:- shortened QT segment




8. Hypomagnesemia will cause-Answer:- Torsades




9 What is the treatment of torsades?-Answer:- magnesium
sulfate

, 10. Hypermagnesemia will cause-Answer:- bradycardia

11. Hyperthermia will cause what dysrhythmia?-Answer:-
tachycardias Increase 10 bpm for each degree of increased temp up
to about 105 F

12. Sinus Bradycardia-Answer:- Originates from the SA node
(pacemaker of the heart) HR <60 bpm

Normal in athletics



13. What medications can cause sinus bradycardia?-Answer:-
Digitalis, BB's, CCB's

b/c these drugs stimulate the parasympathetic nervous system
which decreases the HR

14. What do you assess for in Pt's with sinus bradycardia?-
Answer:- Symptoms of decreased CO

Syncope, hypotension, angina

15. Treatment for sinus bradycardia-Answer:- Atropine (blocks
parasympathetic innerva- tion to SA node; this increases SA node
firing)

Pacemaker