Understanding First Degree AV Heart Blocks

In a first-degree AV heart block, what is the typical range for the heart rate?

• 40 to 60 beats per minute

• 60 to 100 beats per minute

• 120 to 140 beats per minute

• 100 to 120 beats per minute

What is the primary characteristic of a first-degree AV heart block?

• Absent P waves

• Irregular QRS complex

• Prolonged PR interval

• Shortened PR interval

Which of the following is NOT a cause of first-degree AV heart block?

• Myocardial infarction

• High cholesterol

• Beta blockers

• Calcium channel blockers

What is the usual treatment approach for patients with first-degree AV heart block?

• Medication adjustment

• Regular monitoring

• Immediate surgery

• Pacemaker installation

Which medication is known to potentially cause a first-degree AV heart block?

• Aspirin

• Digoxin

• Ibuprofen

• Paracetamol