2. Heart Block
Heart block refers to a delay in the normal flow of electrical impulses that cause the heart to beat. They are further classified as first-, second-, or third-degree block.
Healthline.com (OMS Preferred Provider)

3. Heart Block, Congenital
First Degree Congenital Heart Block; Second Degree Con. Heart Block (Wenckebach [Mobitz I]; Mobitz II; included)
Healthline.com (OMS Preferred Provider)

4. Index of /html
Index of /html
www.agsdus.org

5. Heart Block
The heart's "natural" pacemaker is called the sinoatrial (SA) node or sinus node. It's a small mass of specialized cells in the heart's right atrium. It produces electrical impulses that make your heart beat. For your ...
www.americanheart.org

6. Heart Block
. In this condition, the electrical signals that stimulate heart muscle contractions are partially or totally blocked between the upper chambers (atria) and the lower chambers (ventricles).
www.hrspatients.org

7. Heart Block
A heart block occurs when the electrical current is delayed as it passes through the atrioventricular node, the bundle of His or both bundle branches. These areas of the heart are located between the upper and lower chambers.
www.cedars-sinai.edu

8. Index of /gladstone/html
Index of /gladstone/html
www.gladstone.ucsf.edu

9. Heart Block
A condition in which the normal electrical impulses of the heart are interrupted. The interruption causes a change in the normal heart rhythm. The heart muscle normally contracts in a regular, coordinated, rhythmic fashion. These contractions are .....
www.cts.usc.edu

10. Index of /NeuroChem/kinase_html_fldr
Index of /NeuroChem/kinase_html_fldr
rsb.info.nih.gov