#1
Which of the following is a common symptom of tachycardia?
Rapid heartbeat
ExplanationTachycardia commonly presents with a rapid heartbeat.
#2
Which of the following is a potential cause of ventricular tachycardia?
Hypokalemia
ExplanationHypokalemia is a potential cause of ventricular tachycardia.
#3
What is the term used to describe a rapid heart rate originating from the ventricles?
Ventricular tachycardia
ExplanationA rapid heart rate from the ventricles is termed ventricular tachycardia.
#4
Which of the following maneuvers is NOT commonly used as a vagal maneuver to treat tachycardia?
Placing ice packs on the face
ExplanationPlacing ice packs on the face is not commonly used as a vagal maneuver to treat tachycardia.
#5
Which electrolyte imbalance is commonly associated with tachycardia?
Hypomagnesemia
ExplanationHypomagnesemia is commonly associated with tachycardia.
#6
Which of the following is NOT a potential cause of sinus tachycardia?
Bradycardia
ExplanationBradycardia is not a potential cause of sinus tachycardia.
#7
What is the primary mechanism of action of calcium channel blockers in treating tachycardia?
Blocking calcium influx into cardiac cells
ExplanationCalcium channel blockers primarily work by blocking calcium influx into cardiac cells in treating tachycardia.
#8
Which medication is commonly used to manage supraventricular tachycardia?
Amiodarone
ExplanationAmiodarone is a common medication for managing supraventricular tachycardia.
#9
What is the general treatment approach for stable tachycardia?
Vagal maneuvers and pharmacologic therapy
ExplanationThe general approach involves vagal maneuvers and pharmacologic therapy for stable tachycardia.
#10
Which of the following is NOT a potential complication of untreated tachycardia?
Peripheral edema
ExplanationPeripheral edema is not a potential complication of untreated tachycardia.
#11
Which of the following is a potential complication of antiarrhythmic medication therapy for tachycardia?
Hypokalemia
ExplanationHypokalemia is a potential complication of antiarrhythmic medication therapy for tachycardia.
#12
In cases of unstable tachycardia, what is the recommended immediate intervention?
Synchronized cardioversion
ExplanationThe recommended immediate intervention for unstable tachycardia is synchronized cardioversion.
#13
What is the preferred treatment for unstable ventricular tachycardia?
Immediate defibrillation
ExplanationImmediate defibrillation is the preferred treatment for unstable ventricular tachycardia.
#14
Which class of antiarrhythmic medications primarily targets sodium channels and is used to treat ventricular tachycardia?
Class I
ExplanationClass I antiarrhythmic medications primarily target sodium channels and are used to treat ventricular tachycardia.
#15
What is the primary mechanism of action of beta-blockers in treating tachycardia?
Decreasing cardiac output
ExplanationBeta-blockers primarily work by decreasing cardiac output in treating tachycardia.
#16
What is the primary goal of treating atrial fibrillation-induced tachycardia?
Restore sinus rhythm
ExplanationThe primary goal is to restore sinus rhythm in treating atrial fibrillation-induced tachycardia.
#17
What is the first-line pharmacological treatment for atrial fibrillation with rapid ventricular response?
Beta-blockers
ExplanationBeta-blockers are the first-line pharmacological treatment for atrial fibrillation with rapid ventricular response.
#18
Which medication is a common choice for rate control in atrial fibrillation and atrial flutter?
Metoprolol
ExplanationMetoprolol is commonly used for rate control in atrial fibrillation and atrial flutter.
#19
What is the mainstay treatment for ventricular tachycardia associated with a pulse and stable hemodynamics?
Amiodarone infusion
ExplanationAmiodarone infusion is the mainstay treatment for ventricular tachycardia associated with a pulse and stable hemodynamics.