#1
Which of the following is a common cause of stable narrow-complex tachycardia?
Hypovolemia
ExplanationHypovolemia is a common cause of stable narrow-complex tachycardia.
#2
Which of the following rhythms is NOT treated with synchronized cardioversion in ACLS?
Polymorphic ventricular tachycardia
ExplanationPolymorphic ventricular tachycardia is not treated with synchronized cardioversion in ACLS.
#3
Which of the following is NOT a recommended intervention for stable narrow-complex tachycardia in ACLS?
Synchronized cardioversion
ExplanationSynchronized cardioversion is not a recommended intervention for stable narrow-complex tachycardia in ACLS.
#4
Which medication is NOT commonly used in ACLS for the treatment of pulseless ventricular tachycardia (VT) or ventricular fibrillation (VF)?
Dobutamine
ExplanationDobutamine is not commonly used in ACLS for pulseless VT or VF.
#5
What is the primary goal of ACLS during resuscitation efforts?
Restore and maintain spontaneous circulation
ExplanationThe primary goal of ACLS during resuscitation efforts is to restore and maintain spontaneous circulation.
#6
What is the first step in managing stable narrow-complex tachycardia according to ACLS guidelines?
Assess for signs of instability
ExplanationAssess for signs of instability before proceeding with further interventions.
#7
In ACLS, what is the recommended initial dose of adenosine for treating regular narrow-complex tachycardia?
3 mg
ExplanationThe recommended initial dose of adenosine for regular narrow-complex tachycardia is 3 mg.
#8
What is the recommended maximum dose of adenosine for the treatment of stable supraventricular tachycardia (SVT)?
12 mg
ExplanationThe recommended maximum dose of adenosine for stable SVT is 12 mg.
#9
In ACLS, what is the recommended dose of epinephrine for patients with pulseless ventricular tachycardia?
1 mg IV/IO every 3-5 minutes
ExplanationThe recommended dose of epinephrine for pulseless ventricular tachycardia is 1 mg IV/IO every 3-5 minutes.
#10
In ACLS, what is the preferred method for confirming the correct placement of an endotracheal tube during resuscitation?
Capnography
ExplanationCapnography is the preferred method for confirming endotracheal tube placement during resuscitation.
#11
What is the recommended initial energy level for synchronized cardioversion in ACLS for hemodynamically unstable tachycardia?
100 joules
ExplanationThe recommended initial energy level for synchronized cardioversion in hemodynamically unstable tachycardia is 100 joules.
#12
Which antiarrhythmic medication is typically used in ACLS for pharmacological cardioversion of stable monomorphic ventricular tachycardia?
Amiodarone
ExplanationAmiodarone is typically used in ACLS for pharmacological cardioversion of stable monomorphic ventricular tachycardia.
#13
Which medication is typically used as the first-line therapy for unstable narrow-complex tachycardia in ACLS?
Synchronized cardioversion
ExplanationSynchronized cardioversion is the first-line therapy for unstable narrow-complex tachycardia in ACLS.
#14
What is the recommended initial dose of amiodarone for the treatment of pulseless ventricular tachycardia (VT) or ventricular fibrillation (VF) in ACLS?
300 mg IV bolus over 10 minutes
ExplanationThe recommended initial dose of amiodarone for pulseless VT or VF is 300 mg IV bolus over 10 minutes.
#15
What is the maximum dose of lidocaine for the treatment of stable ventricular tachycardia?
1.5 mg/kg
ExplanationThe maximum dose of lidocaine for stable ventricular tachycardia is 1.5 mg/kg.