The "pacemaker" of the heart is the A. SA node. B. AV node. C. AV septum. D. ventricle. Blood Flow in the Heart: The heart is the major organ of the cardiovascular system and receives and delivers blood to and from all parts of the body. All deo...
The heart has a regulatory system, known as the intrinsic conduction system, that determines the pace of the heartbeat. Learn about the intrinsic conduction system, including the SA node, AV node, the bundle of His, bundle branches,...
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The S-A node is often called the pacemaker of the heart because it establishes the basic rhythm at which the heart beats. S-A结由于建立了心跳的基本节律,故常称为起搏点。 5. Cellular phones that are less than 3 watts do not appear to damage pulse generators nor affect how the pacemaker ...
The normal heart rhythm, known as sinus rhythm, originates in specialized cardiac cells, called pacemaker cells, in the sino-atrial (SA) or sinus node and has been defined as a sinus node rate of 60 to 100 beats/minute. Each heart beat or contraction is initiated by generation of an ...
SA node SA node is the pacemaker of the heart. It is the most important part of the nodal tissue of the heart present at the right upper portion of the right atrium that can excite itself without any stimulus. Answer and Explanation: If th...
Pacemaker, electronic cardiac-support device that produces rhythmic electrical impulses that take over the regulation of the heartbeat in patients with certain types of heart disease. A healthy human heart contains its own electrical conducting system ca
tiny areas of your heart that trigger abnormal electrical impulses. Sometimes the doctor will destroy a section of your heart called the AV node. This is where electrical signals pass from the atria to the ventricles. After this procedure, you will need a pacemaker to regulate your heart ...
英语翻译ECG (electrocardiogram) is a test that measures the electrical activity of the heart.The heart is a muscular organ that beats in rhythm to pump the blood through the body.The signals that make the heart's muscle fibres contract come from the sino
sinus node's ability to set the correct pace for your heartbeat. Such damage can cause slower than normal heartbeats or long pauses between heart beats. The damage also can cause your heart to switch between slow and fast ...