Arrhythmias Quiz 3

1. A patient presents to the emergency department with a report of palpitations and feeling faint. Vital signs include a heart rate of 155 bpm, blood pressure of 100/80 mm Hg, temperature of 36.8°C, and oxygen saturation of 93%. What is your next course of action?

2. You are monitoring a patient who has recently been stabilized 2 hours after having a wide complex tachyarrhythmia with a pulse. He is on a maintenance infusion of amiodarone 1 mg/minute. His blood pressure was 140/80 mm Hg 15 minutes ago but is now 100/60 mm Hg. Which of the following will NOT remedy the problem?

3. A patient tells you that he has been diagnosed with a “slow heart” and has had it for the past year. An ECG shows the following tracing:

What is your interpretation of this ECG finding?

4. A patient was successfully defibrillated, terminating pulseless VT. One minute later, the patient again goes into VT and loses his pulse. A shock should be delivered at:

5. A patient who is hypotensive secondary to bradycardia is unresponsive to atropine. Which one of the following drugs, if any, can be given to this patient?

6. A patient with bradycardia that has suddenly developed hypotension and chest pain has not improved after receiving repeated doses of atropine and epinephrine. What other alternative treatments will potentially improve the patient’s condition?

7. A patient with symptomatic bradyarrhythmia has the following 12-lead ECG tracing:

What is your diagnosis?

8. A stable patient has a regular narrow complex tachycardia. The indicated treatment is:

9. Adenosine will terminate atrial flutter.

10. After a dose of adenosine 6 mg IV rapid push for the treatment of paroxysmal supraventricular tachycardia, the patient’s symptoms have not improved. What is the next therapy of choice?