ECG Interpretation Quiz

What does the P wave represent in an ECG?

• Atrial depolarization or contraction

• Ventricular depolarization or contraction

• Atrial repolarization or relaxation

• Ventricular repolarization or relaxation

What does the QRS complex represent in an ECG?

• Contraction of the atria

• Repolarization of the atria

• Depolarization of the ventricles

• Relaxation of the ventricles

What is the significance of ST segment elevation in an ECG?

• Signifies a normal ECG reading

• Indicates myocardial infarction or heart attack

• Indicates low blood pressure

• Shows a potential blood clot in the leg

What is the normal range for heart rate in an ECG?

• 60 to 100 beats per minute

• 40 to 70 beats per minute

• 80 to 120 beats per minute

• 20 to 50 beats per minute

What does the T wave represent in an ECG?

• Depolarization of the atria

• Repolarization of the ventricles

• Depolarization of the ventricles

• Repolarization of the atria

An abnormal cardiac rhythm is called..

• Arrhythmia

• Sinus Rhythm

• Asystole

• Tachycardia

This is a flat line seen on ECG monitor...

• Arrhythmia

• Asystole

• V Tach

• V Fib

This is a common arrythmia were the atria is quivering. These patient should be on blood thinners.

• Atrial fibrillation
• Sinus bradycardia
• Ventricular tachycardia
• Supraventricular tachycardia

SA Node is..

• Back up pacemaker of the heart.

• Primary pacemaker of the heart.

• Pacemaker which beats between 40-60 bpm.

What type of rhythm is this?

• Sinus Tachy

• Sinus Brady

• Normal Sinus Rhythm

• A Fib