The sinus of the heart is a structure in the right atrium where blood flows into the heart from the venae cavae.

— G.W.T.Dear G.W.T.: The sinus of the heart has nothing to do with your nose as you might guess; it's a structure in the ...

At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I’d call being “spaced out” ...

At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I’d call being “spaced out” (for lack of a better term). I couldn’t explain these instances to myself, ...

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

At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I’d call being “spaced out” (for lack of a better term). I couldn’t explain these instances to myself, ...

The Family Health Care Institute bulletin (one of King Hussein Foundation's institutes), on this Sunday, discusses nasal and ...

Scottsdale’s fall air is crisp and clear, but its low humidity quickly dries out the protective lining inside the nose and ...

“Virginia’s humidity changes fast,” said Bane. “One day it’s damp and warm, the next it’s crisp and dry. That constant ...

At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I’d call being “spaced out” (for lack of a better ...

The inflammation and buildup of mucus that occurs in a sinus infection can block the tubes. This type of blockage is known as obstructive eustachian tube dysfunction.

A 70-year-old man presented to Tufts emergency department with a 2-day history of left eye redness and periorbital swelling ...