PEARS Pediatric Dysrhythmia Recognition 3

Question 1

What is the correct initial dose of adenosine for treating SVT in a child?

Accepted Answer

0.1 mg/kg IV (max 6 mg)

Answer

0.01 mg/kg IV

Answer

0.5 mg/kg IV

Answer

1 mg/kg IV

Question 2

Which of the following is a shockable cardiac arrest rhythm?

Accepted Answer

Ventricular fibrillation (VF)

Answer

Asystole

Answer

Pulseless electrical activity (PEA)

Answer

Severe symptomatic bradycardia

Question 3

A child has wide-complex tachycardia at 180 bpm with hypotension and altered mental status. What is the priority treatment?

Accepted Answer

Perform synchronized cardioversion

Answer

Administer adenosine IV rapidly

Answer

Administer amiodarone IV over 20-60 minutes

Answer

Attempt vagal maneuvers first

Question 4

What is the recommended initial energy dose for synchronized cardioversion in a child with unstable SVT?

Accepted Answer

0.5-1 J/kg

Answer

2 J/kg

Answer

4 J/kg

Answer

10 J/kg

Question 5

What defines pulseless electrical activity (PEA)?

Accepted Answer

Organized electrical activity on ECG without a palpable pulse

Answer

Ventricular fibrillation with no detectable pulse by palpation

Answer

Complete absence of all electrical activity on ECG

Answer

A wide-complex tachycardia with intact perfusion

Question 6

Which antiarrhythmic drug is recommended for VF or pulseless VT refractory to defibrillation in children?

Accepted Answer

Amiodarone

Answer

Atropine

Answer

Adenosine

Answer

Epinephrine

Question 7

What does asystole look like on an ECG?

Accepted Answer

A flat or near-flat line indicating no electrical activity

Answer

Chaotic irregular waves with no organized pattern

Answer

Organized P waves with no corresponding QRS complexes

Answer

Wide QRS complexes occurring at a very slow rate