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Normal cardiac rhythm is determined by what?
The sinoatrial node is the pacemaker of the heart and determines the normal rhythm.Sinoatrial Node
What is the main pace maker of the heart?
The primary pacemaker of a normal healthy heart is the sinus node (or SA node). It is located in the right atria of the heart.
What pacemaker of the heart initiates depolarization under normal conditions?
The primary pacemaker of the mammalian heart is the sino-atrial node. If the SA node fails, the atrioventricular node (AV node) takes over pacemaking.
What is the back-up pacemaker of the heart?
The sinoatrial node is known as the pacemaker of the heart.
Is the pacemaker of the heart under normal circumstances is called the sinoatrial SA node?
Yes the sinoatrial node is also called the pacemaker under all circumstances
What is considered the pacemaker of the heart?
The sinoatrial node is considered the pacemaker of the heart.
Why the sino atria node is regarded as a pacemaker in the heart?
The sinoatrial, or SA, node is known as the pacemaker of the heart. There are other potential pacemakers if the SA node fails, but it is the main pacemaker.
The crescent-shaped pacemaker of the heart that initiates depolarization under normal conditions is the?
Sinoatrial node
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.
The sinoatrial node is the heart's?
... pacemaker.
What is the technical term for your pacemaker?
The heart's "pacemaker" is the SA (sinoatrial) node.
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.
