#1
Which waveform represents depolarization of the atria in an electrocardiogram (ECG)?
#2
What does the QRS complex represent in an ECG?
#3
What does the T wave represent in an ECG?
#4
Which part of the ECG corresponds to the resting state of the heart's electrical activity?
#5
What is the normal duration range of the PR interval in milliseconds?
#6
Which ECG lead placement is typically used to assess the lateral wall of the heart?
#7
In an ECG, what does a 'sawtooth' pattern typically indicate?
#8
Which lead in a 12-lead ECG is used to assess the inferior wall of the heart?
#9
Which condition is characterized by a prolonged QT interval on an ECG?
#10
What is the most common cause of ST-segment elevation on an ECG?
#11
What does the presence of peaked T waves on an ECG often indicate?
#12
Which arrhythmia is characterized by irregularly irregular R-R intervals and no discernible P waves on an ECG?
#13