#1
What does the P wave represent in an ECG?
1 answered
#2
Which cardiac arrhythmia is characterized by chaotic, irregular atrial activity on an ECG?
1 answered
#3
What is the normal heart rate range for adults at rest?
1 answered
#4
What is the primary role of the Q wave in an ECG?
1 answered
#5
In an ECG, what does the term 'isoelectric line' represent?
1 answered
#6
Which part of the heart's conduction system is known as the 'pacemaker'?
1 answered
#7
What is the typical duration of the QRS complex in a normal ECG?
2 answered
#8
Which lead is commonly used to assess the heart's electrical activity in the frontal plane?
1 answered
#9
What is the primary function of the PR interval in an ECG?
1 answered
#10
Which interval on an ECG represents the time taken for ventricular depolarization and repolarization?
1 answered
#11
Which type of ECG lead records electrical activity between two electrodes, one active and one reference?
1 answered
#12
What is the purpose of the T wave in an ECG?
1 answered
#13
Which electrolyte imbalance is associated with a prolonged QT interval on an ECG?
1 answered
#14
In the context of ECG, what is the significance of the ST segment?
1 answered
#15
Which ECG finding is associated with a 'sawtooth' pattern and often indicative of atrial flutter?
1 answered
#16
What is the significance of the T wave in an ECG?
1 answered
#17
What does the term 'ST elevation' typically indicate on an ECG?
1 answered
#18
Which electrolyte imbalance is associated with the development of U waves on an ECG?
1 answered
#19
What does the term 'bundle branch block' refer to in the context of cardiac conduction?
1 answered