A striped racer, also known as the California whipsnake, is a species of non-venomous snake native to the coast and foothills of California. It is a long, slender, and fast-moving snake, identified by its distinctive stripes running down the length of its body. They primarily feed on lizards and small rodents. The scientific name for this species is Masticophis lateralis.
Sinus node dysfunction
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Sinus node dysfunction is an abnormality in the natural pacemaker of the heart that causes a slow heart rate.
People may have no symptoms, or they may feel weak or tired or have palpitations.
Electrocardiography is used to make the diagnosis.
A permanent artificial pacemaker is usually needed.(See also Overview of Abnormal Heart Rhythms.)
Dysfunction of the heart’s natural pacemaker (the sinus or sinoatrial node) may result in a persistently slow heartbeat (sinus bradycardia) or complete cessation of normal pacemaker activity (sinus arrest—see figure Tracing the Heart
Sinus node dysfunction meaning & definition 1 of Sinus node dysfunction.
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