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ACLS Tachycardia Quiz

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This ACLS quiz covers general information that may be found on the ACLS written test.

 
1.

Unstable patients with regular narrow-complex supraventricular tachycardia can be given what medication as synchronized cardioversion is being prepared?

Amiodarone 150 mg IVP
Atropine 0.5 mg IVP
Adenosine 6 mg IVP
Epinephrine 1 mg IVP
2.

Tachycardia does not usually cause serious signs or symptoms below what heart rate?*

190 bpm
180 bpm
150 bpm
200 bpm
3.

What is the goal of ACLS intervention in patients with sinus tachycardia?*

To prevent further deterioration of the arrhythmia
To provide continuous cardioversion
To prevent myocardial ischemia
To identify and treat the underlying systemic causes
4.

If a patient is taking dipyridamole or carbamazepine, the initial dose of adenosine should be reduced to how many mg?*

 
4 mg
5 mg
3 mg
2 mg
5.

Two rounds of adenosine can be administered to attempt to convert a tachyarrhythmia to sinus rhythm. What is the recommended dosing of adenosine in such a scenario?

12 mg IVP followed by 12 mg IVP if no conversion
6 mg IVP followed by 12 mg IVP if no conversion
12 mg IVP followed by 6 mg IVP if no conversion
6 mg IVP followed by 6 mg IVP if no conversion
6.

Low-energy shocks are always delivered synchronously because if delivered asynchronously, they have the potential to produce which of the following rhythms?*

 
Atrial flutter
Ventricular tachycardia
Asystole
Ventricular fibrillation
7.

Which of the following is not an appropriate initial intervention when caring for a patient presenting with primary tachycardia with a pulse?

Monitor ECG, BP, and SpO2
Provide oxygen if hypoxemia is observed
Identify and treat reversible causes
Attempt vagal maneuvers
8.

Which of the following scenarios calls for synchronized cardioversion?

A patient without a pulse
An unstable patient with polymorphic VT
An unstable patient with monomorphic tachycardia
An unstable patient with an unknown VT etiology
9.

Which of the following antiarrhythmic medications should be considered alongside vagal maneuvers for regular narrow-complex tachyarrhythmias?*

Atropine
Epinephrine
Amiodarone
Adenosine
10.

 If a patient experiencing a tachyarrhythmia becomes unstable, what is the most important intervention to consider?

Synchronized cardioversion
Seek expert consultation
IV fluids
Antiarrhythmic medications
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