What is the typical heart rate range for sinus bradycardia?

• Below 60 beats per minute

• 100 to 120 beats per minute

• 60 to 100 beats per minute

• Above 120 beats per minute

Tags

NGSS.HS-LS1-3

Which ECG pattern is characteristic of atrial flutter?

• Irregularly irregular rhythm

• Sawtooth pattern

• Smooth wave pattern

• Sinus rhythm

What does a first degree AV block show on an ECG?

• Wide QRS complexes

• Missing P waves

• Prolonged PR interval

• Regular rhythm with narrow QRS

What is a defining feature of ventricular tachycardia on an ECG?

• Broad QRS complexes

• P wave variations

• Regular P waves

• Narrow QRS complexes

What is indicated by ST elevation in an ECG?

• Atrial fibrillation

• Acute myocardial infarction

• Ventricular fibrillation

• First degree AV block