The heart's natural pacemaker (SA node) sends these signals, causing the heart chambers to contract in a regular rhythm
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Why is the Sa Node Called the Pacemaker of the Heart? - Biology | Shaalaa.com
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Discover the fascinating journey of the heart’s electrical impulses! Learn how the sinoatrial (SA) node, the heart’s natural pacemaker, initiates the rhythm that spreads to the atrioventricular (AV) node, ensuring synchronized contractions. Perfect for medical students looking to master cardiac electrophysiology with ease! Hashtags: #HeartElectrophysiology #SANode #AVNode #CardiacRhythm #MedicalStudents #MedicalEducation #CardiologyBasics #HeartFunction #Electrophysiology #MedStudentLife | Medic
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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
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