#1
Which part of the heart is responsible for initiating the electrical impulses?
#2
What does the P wave represent in an ECG?
#3
What is the normal heart rate range for an adult at rest?
#4
What does the T wave represent in an ECG?
#5
In a normal sinus rhythm, what is the expected rate of the sinoatrial (SA) node depolarization?
#6
Which interval on an ECG represents the time it takes for the electrical impulse to travel from the atria to the ventricles?
#7
In which lead would you typically find the R wave amplitude at its highest in a normal ECG?
#8
Which electrolyte imbalance is commonly associated with a prolonged QT interval on an ECG?
#9
Which ECG lead is commonly used to assess the lateral wall of the heart?
#10
Which part of the ECG corresponds to the time when both atria and ventricles are in a state of electrical rest?
#11
What is the most common cause of an elevated ST segment in an ECG?
#12
Which condition is associated with a widened QRS complex on an ECG?
#13
What is the most common cause of a peaked T wave on an ECG?
#14
What does the term 'ST-segment elevation' often indicate in an ECG?
#15