First-Degree Atrioventricular Block Questions & Answers

Updated: Jan 06, 2020
  • Author: Jamshid Alaeddini, MD, FACC, FHRS; Chief Editor: Jose M Dizon, MD  more...
  • Print
Questions & Answers

Overview

What is first-degree atrioventricular (AV) block?

What is the pathophysiology of first-degree atrioventricular (AV) block?

What is the role of coronary artery disease in the etiology of first-degree atrioventricular (AV) block?

What causes first-degree atrioventricular (AV) block?

What causes first-degree atrioventricular (AV) block in well-trained athletes?

Which degenerative diseases of the conduction system cause first-degree atrioventricular (AV) block?

How does Lenègre disease cause first-degree atrioventricular (AV) block?

How does Lev disease cause first-degree atrioventricular (AV) block?

Which medications cause first-degree atrioventricular (AV) block?

What is the role of mitral or aortic valve annulus calcification in the etiology of first-degree atrioventricular (AV) block?

Which infections cause first-degree atrioventricular (AV) block?

Which collagen vascular diseases cause first-degree atrioventricular (AV) block?

What are the iatrogenic causes of first-degree atrioventricular (AV) block?

What is the role of cardiac sarcoidosis in the etiology of first-degree atrioventricular (AV) block?

What is the US prevalence of first-degree atrioventricular (AV) block?

Which patient groups have the highest prevalence of first-degree atrioventricular (AV) block?

What is the global prevalence of first-degree atrioventricular (AV) block?

What is the prognosis of first-degree atrioventricular (AV) block?

What are the possible complications of first-degree atrioventricular (AV) block?

Presentation

Which clinical history findings are characteristic of first-degree atrioventricular (AV) block?

Which physical findings are characteristic of first-degree atrioventricular (AV) block?

DDX

What are the differential diagnoses for First-Degree Atrioventricular Block?

Workup

How is first-degree atrioventricular (AV) block diagnosed?

What is the role of electrocardiography in the workup of first-degree atrioventricular (AV) block?

What is the role of ultrasonography in the workup of first-degree atrioventricular (AV) block?

Which histologic findings are characteristic of first-degree atrioventricular (AV) block?

Treatment

How is first-degree atrioventricular (AV) block treated?

What is the role of a pacemaker in the treatment of first-degree atrioventricular (AV) block?

What is included in the long-term monitoring for first-degree atrioventricular (AV) block?

Medications

What is the role of medications in the treatment of first-degree atrioventricular (AV) block?

Which medications in the drug class Sympathomimetics are used in the treatment of First-Degree Atrioventricular Block?

Which medications in the drug class Anticholinergic Agents are used in the treatment of First-Degree Atrioventricular Block?