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Heart block (HB) [1] is a disorder in the heart's rhythm due to a fault in the natural pacemaker. [2] ... (SA node or Sinus node), where the heart's signals originate:
This form is identical to the type of AV block described by Hay in 1906 without the benefit of electrocardiography. Mobitz included 2:1 and 3:1 AV blocks in his type II classification, and indicated the serious nature of type II block and its propensity to Adams-Stokes attacks. Sinus rhythm (rate = 100/min) with 3:2 and 2:1 Type II A-V block; RBBB
Atrioventricular block (AV block) is a type of heart block that occurs when the electrical signal traveling from the atria, or the upper chambers of the heart, to ventricles, or the lower chambers of the heart, is impaired.
2ndry to blocks myocarditis and secondary complications Junctional rhythm also called nodal rhythm [ 2 ] describes an abnormal heart rhythm resulting from impulses coming from a locus of tissue in the area of the atrioventricular node (AV node), [ 3 ] the "junction" between atria and ventricles.
The bundle of His (BH) [1]: 58 or His bundle (HB) [1]: 232 (/ h ɪ s / "hiss" [2]) is a collection of heart muscle cells specialized for electrical conduction.As part of the electrical conduction system of the heart, it transmits the electrical impulses from the atrioventricular node (located between the atria and the ventricles) to the point of the apex of the fascicular branches via the ...
Heart block describes a type of arrhythmia, or abnormal rhythm, that happens when the electrical signal gets held up and delayed, or blocked entirely at some point along the conduction system. These blocks or delays usually happen because of some sort of damage or fibrosis to the electrical conduction system, the pathways that conduct the ...
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
A sinoatrial block (also spelled sinuatrial block) [1] is a disorder in the normal rhythm of the heart, known as a heart block, that is initiated in the sinoatrial node.The initial action impulse in a heart is usually formed in the sinoatrial node (SA node) and carried through the atria, down the internodal atrial pathways to the atrioventricular node (AV) node. [2]