SA NODE! Sinoatrial Node Explained! Pacemaker of the heart explained!!
4:05
YouTubeLive Physiology
SA NODE! Sinoatrial Node Explained! Pacemaker of the heart explained!!
This video covers the electrical activity of the heart. The sinoatrial node is explained as it directs electrical current through the heart's contractile cells. Excitation contraction coupling is also explained to show the coordination between the electrical current of the heart and the flow of contraction. To visit the Live Physiology shop ...
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#Sinoatrial (SA) node #arrhythmias, also known as sinus node dysfunction or sick sinus syndrome, occur when the heart's natural pacemaker (SA node) doesn't function properly, leading to abnormal heart rhythms. These arrhythmias can include slow heart rates (bradycardia), fast heart rates (tachycardia), or a combination of both, potentially causing symptoms like lightheadedness, dizziness, and fatigue. #education #ECG #doctor #medicalstudent #nurses | Med G
0:52
#Sinoatrial (SA) node #arrhythmias, also known as sinus node dysfunction or sick sinus syndrome, occur when the heart's natural pacemaker (SA node) doesn't function properly, leading to abnormal heart rhythms. These arrhythmias can include slow heart rates (bradycardia), fast heart rates (tachycardia), or a combination of both, potentially causing symptoms like lightheadedness, dizziness, and fatigue. #education #ECG #doctor #medicalstudent #nurses | Med G
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