EKG Basics Flashcard

Front

What does a sinus P wave indicate in an EKG?

Back

Atrial depolarization generated by the SA node.

Front

What is the purpose of the AV node in an EKG?

Back

To slow down the conduction of electrical activity.

Front

What is the function of the AV node in an EKG?

Back

To slow down the conduction of electrical activity.

Front

What is the function of the SA node in an EKG?

Back

To generate action potentials.

Front

What is the name of the segment between the end of the P wave and the start of the QRS complex?

Back

PR segment.

Front

What does the QRS complex represent in an EKG?

Back

Ventricular depolarization.

Front

What is the significance of the T wave in an EKG?

Back

Ventricular repolarization.

Front

What does the ST segment indicate in an EKG?

Back

The period between ventricular depolarization and repolarization.

Front

What is the normal heart rate range for adults?

Back

60 to 100 beats per minute.

Front

What does an elevated ST segment suggest?

Back

Possible myocardial infarction (heart attack).