Sinus rhythm is the term for the regular pattern of heartbeats driven by the heart’s natural pacemaker, the sinus node. Variations like sinus tachycardia (fast heart rate) and sinus bradycardia (slow ...

What Is Inappropriate Sinus Tachycardia? Sinus tachycardia is when your body sends out electrical signals to make your heart beat faster. Hard exercise, anxiety, certain drugs, or a fever can spark it ...

Tachycardia describes when the heart beats faster than normal. Sinus rhythm with tachycardia occurs when the sinus node fires electrical impulses abnormally quickly. Inappropriate sinus tachycardia ...

A 34 year-old woman presented with headaches and a mild receptive aphasia, two weeks following labor and delivery. Cerebral Venous Thrombosis. (Left) Magnetic Resonance Venogram (MRV); (Middle) ...

Robert is a 39-year-old male who presented with a 5-day history of severe headaches treated initially with antibiotics for suspected sinusitis by his primary-care physician. Robert's headaches did not ...

Sick sinus syndrome (SSS) is a condition that gives you an abnormal heartbeat. It happens when your heart's natural pacemaker, the sinus node, no longer functions correctly. This results in abnormal ...

Sinus tachycardia refers to a faster-than-usual heart rhythm. It may occur with exercise, anxiety, or stress, but it can also signal an underlying health condition. Your heart has a natural pacemaker ...

The placement of a permanent pacemaker is the definitive treatment for sinus node dysfunction, but not everyone needs this.

A team of interventional neuroradiologists and neurosurgeons at Johns Hopkins reports wide success with a new procedure to treat pseudotumor cerebri, a rare but potentially blinding condition marked ...