FREE PALS Tachycardia Questions and Answers

Question 1

Which tachyarrhythmia is most likely to impair a baby's cardiovascular health during infancy?

Accepted Answer

Supraventricular tachycardia

Answer

Sinus tachycardia

Answer

Paroxysmal supraventricular tachycardia

Answer

Ventricular tachycardia

Question 2

Which of these imbalances in electrolytes wouldn't cause ventricular tachycardia?

Accepted Answer

Hyponatremia

Answer

Hypomagnesemia

Answer

Hypocalcemia

Answer

Hyperkalemia

Question 3

What is the typical duration of the QRS in pediatric patients?

Accepted Answer

Less than or equal to 0.09 seconds

Answer

Less than or equal to 0.15 seconds

Answer

Less than or equal to 0.9 seconds

Answer

Less than or equal to 0.03 seconds

Question 4

If untreated tachyarrhythmias go untreated for an extended length of time, they may eventually result in congestive heart failure (CHF). Of the following, which one would not be a marker of CHF in infancy?

Accepted Answer

Sunken fontanel

Answer

Poor feeding

Answer

Rapid breathing

Answer

Irritability

Question 5

Tachyarrhythmias can result in a substantial reduction in cardiac perfusion. What cardiovascular component's shorter duration is the cause of these perfusion changes?

Accepted Answer

Diastole

Answer

Systole

Answer

Atrioventricular valve conduction

Answer

Atrioventricular valve closure

Question 6

Which arrhythmias below have a QRS complex lasting longer than 0.09 seconds?

Accepted Answer

Supraventricular tachycardia with aberrant intraventricular conduction

Answer

Atrial flutter

Answer

Supraventricular tachycardia

Answer

Sinus tachycardia

Question 7

Which of the following arrhythmias would be indicated by typical sawtooth P-wave activity on the ECG monitor, using the ILCOR PALS Provider Manual?

Accepted Answer

Atrial flutter

Answer

Atrial fibrillation

Answer

Sinus tachycardia

Answer

Supraventricular tachycardia

Question 8

When a narrow QRS complex is present in both stable and unstable sinus tachycardia situations, what is the most crucial intervention?

Accepted Answer

Identify and treat the underlying cause

Answer

Obtain a 12-lead ECG

Answer

Monitor blood pressure and pulse oximetry

Answer

Provide oxygen therapy

Question 9

When a youngster has ventricular tachycardia, poor perfusion, and indications of shock, what is the most crucial course of action?

Accepted Answer

Perform synchronized cardioversion

Answer

Perform vagal maneuvers

Answer

Administer amiodarone

Answer

Administer adenosine

Question 10

Which drug is suggested as a first line of treatment for supraventricular tachycardia?

Accepted Answer

Adenosine

Answer

Epinephrine

Answer

Atropine

Answer

Procainamide