DC Treatment Planning & Management 3

Question 1

A patient with symptomatic high-degree AV block does not respond to atropine. What is the next best intervention?

Accepted Answer

Transcutaneous pacing

Answer

Transcutaneous pacing is the next step when atropine fails to treat symptomatic high-degree AV block.

Question 2

A patient presents with WPW syndrome and atrial fibrillation with a rapid ventricular rate showing wide, irregular complexes. Which drug is contraindicated?

Accepted Answer

IV adenosine

Answer

Adenosine (and AV nodal blockers like beta-blockers, CCBs, digoxin) are contraindicated in pre-excited AF as they may accelerate conduction via the accessory pathway.

Question 3

For a patient with recurrent symptomatic paroxysmal supraventricular tachycardia refractory to medications, what is the long-term curative treatment of choice?

Accepted Answer

Radiofrequency catheter ablation

Answer

Radiofrequency catheter ablation offers a high cure rate for PSVT by eliminating the reentrant circuit.

Question 4

Which of the following is the correct initial vagal maneuver to attempt in a stable patient with narrow-complex SVT?

Accepted Answer

Valsalva maneuver

Answer

The Valsalva maneuver is a safe, effective first-line vagal maneuver for terminating SVT.

Question 5

A patient is found in pulseless electrical activity (PEA). After initiating CPR and securing IV access, which drug is administered?

Accepted Answer

Epinephrine 1 mg IV every 3–5 minutes

Answer

Epinephrine 1 mg IV every 3–5 minutes is the primary pharmacologic agent in PEA arrest.

(DC) Dysrhythmia Certification Practice Test

(DC) Dysrhythmia Certification Practice Test

DC Treatment Planning & Management 3