#1
Which of the following is a characteristic of sinus rhythm?
1 answered
#2
Which ECG lead is commonly used to diagnose inferior wall myocardial infarction?
1 answered
#3
Which of the following is NOT a risk factor for the development of atrial fibrillation?
1 answered
#4
What is the typical heart rate range in patients with atrial fibrillation?
1 answered
#5
Which arrhythmia is characterized by sudden onset and offset, typically lasting less than 30 seconds?
1 answered
#6
A patient presents with a regular rhythm of 150 bpm, absent P waves, and narrow QRS complexes. What arrhythmia is most likely?
1 answered
#7
What is the mechanism of action of Class III antiarrhythmic drugs?
1 answered
#8
Which electrolyte imbalance is commonly associated with the development of torsades de pointes?
1 answered
#9
In which type of heart block does the PR interval progressively lengthen until a QRS complex is dropped?
1 answered
#10
What is the treatment of choice for a patient with stable monomorphic ventricular tachycardia?
1 answered
#11
Which of the following ECG findings is characteristic of ventricular fibrillation?
1 answered
#12
Which arrhythmia is characterized by an absence of both P waves and QRS complexes?
1 answered
#13
What is the hallmark characteristic of Mobitz II (Second-degree AV block, type II)?
1 answered
#14
What is the primary mechanism of action of adenosine in the treatment of supraventricular tachycardia?
1 answered
#15
Which medication is contraindicated in patients with atrial fibrillation and Wolff-Parkinson-White syndrome due to risk of ventricular fibrillation?
1 answered