#1
Which of the following is a common symptom of atrial fibrillation?
4 answered
#2
What is the normal range for the resting heart rate in adults?
4 answered
#3
What term describes an abnormally slow heart rate, usually less than 60 beats per minute?
3 answered
#4
Which of the following conditions is characterized by an abnormally fast heart rate, typically exceeding 100 beats per minute?
3 answered
#5
What is the primary function of the sinoatrial (SA) node in the heart?
4 answered
#6
Which cardiac dysrhythmia is characterized by a chaotic and rapid heartbeat?
4 answered
#7
What is the primary role of the atrioventricular (AV) node in the heart?
3 answered
#8
In the ECG waveform, what does the P-wave represent?
3 answered
#9
Which of the following is a potential complication of untreated atrial fibrillation?
3 answered
#10
What is the term for a brief episode of rapid, irregular heartbeats that usually resolves spontaneously?
3 answered
#11
Which medication is commonly used to treat supraventricular tachycardia (SVT)?
3 answered
#12
Which cardiac dysrhythmia is associated with a prolonged QT interval on an ECG?
3 answered
#13
What is the primary mechanism of action of beta-blockers in the treatment of cardiac dysrhythmias?
3 answered
#14
Which electrolyte imbalance is commonly associated with the development of ventricular dysrhythmias?
3 answered
#15
Which class of antiarrhythmic drugs primarily works by blocking sodium channels in cardiac cells?
3 answered