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The pacemaker of the entire myocardium is the: a) Atrioventricular junction b) bundle of his c) Purkinje fibers d) Sinoatrial node
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∙ 12y ago
Zhea Mae Calasara
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What does a ventricular pacemaker do to initiate a heartbeat?
The SA node (Sinoatrial node) sets the pace for the heart as a whole because no other region of the conduction system or the myocardium has a faster depolarization rate. For this reason, it is the heart's pacemaker.
Layer of the heart wall containing cardiac muscle?
myocardium
What is the sa node?
The SA node is the "pacemaker" of the heart. Cells in the SA node are called "pacemaker" cells and they direct the contraction rate of the entire heart by generating action potentials.
What has to be done if pacemaker infection occurs?
Antibiotic therapy given as a precautionary measure can reduce the risk of pacemaker infection.
Does your heart muscle recover after a heart attack?
myocardium myocardium
What is the difference between stunned myocardium and hibernating myocardium?
intent
What is another word for myocardium?
Another word for myocardium is the heart muscle. The myocardium is the middle and thickest layer of the heart wall.
How do you use the word myocardium in a sentence?
Myocardium is muscular tissue that is found in the heart. Myocardium is an essential element in the workings of the heart.
What is the thickest layer of the heart which is made up of muscle?
The thick muscle layer of the heart is the myocardium. It is the middle layer of the heart and produces pressure.
What is the role of Ca in the myocardium?
The myocardium is the muscles that surround and power the heart.
Why is SA node called the pacemaker of the heart?
The SA node normally functions as the pacemaker for the entire heart because its intrinsic rate is the fastest in the system. From the SA node, impulses spread out over the atria, causing them to contract.
What is the meaning of VVI mode pacemaker?
pacemaker is a pacemaker
