Francis wasn't able to come to work due to his sinus infection.    From LearnThat.org. 

KNOX: That, he says, will be the next big advance in sinus treatment.    From Wordnik.com.  [Surgery For Sinus Misery: Better, But Still No Cure] Reference

One odd thing resulted from the surgery ... now his heart is back in sinus (sp?) rhythm.    From Wordnik.com.  [Rough Morning] Reference

If the sinus is removed, keeping pressure off of the incision is imperative to good wound healing.    From Wordnik.com.  [Pediatric Surgery: Pilonidal Sinus and Cysts] Reference

Speaking of dentistry, I'm going to have a fun little procedure call a sinus lift.    From Wordnik.com.  [Fleur de Lisa] Reference

Morgan tore the superior sagittal sinus, which is a big vein that drains the brain.    From Wordnik.com.  [CNN Transcript Mar 27, 2009] Reference

It didn’t keep my heart in sinus rhythm and so I’ve had 3 cardioversions (mini shocks to heart).    From Wordnik.com.  [The afib chronicles « BuzzMachine] Reference

Within the upper right chamber of your heart (right atrium) is a group of cells called the sinus node.    From Wordnik.com.  [Find Me A Cure] Reference

He also gave he what he called a sinus shot!.    From Wordnik.com.  [moee Diary Entry] Reference

Some kind of sinus problem, with enough ick draining down my throat to affect my stomach.    From Wordnik.com.  [Sunny day] Reference

Suffice to say I suffered today through the kind of sinus congestion that even the reliable Afrin couldn't conquer.    From Wordnik.com.  [6/18/02 Nothing's more boring than] Reference

I think it turned into some kind of sinus infection.    From Wordnik.com.  [Memphis Commercial Appeal Stories] Reference

Rigors are unusual: their occurrence usually indicating the development of some complication such as sinus phlebitis.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference

"So with that kind of sinus problem, you're just not going to get the kind of response you want to get from your body.".    From Wordnik.com.  [Whittier Daily News Most Viewed] Reference

It called sinus headache weather.    From Wordnik.com.  [CNN Transcript Jun 25, 2009] Reference

My wife says, coming to from her sinus infection nap.    From Wordnik.com.  [SUPER DAD flies coach] Reference

Dr. Tapper woke the next morning with a sinus headache.    From Wordnik.com.  [Day One of Eventually Discarded NaNoWriMo Writing Attempt] Reference

Her hearing wasn't perfect since her last sinus infection.    From Wordnik.com.  [Shoes] Reference

A persistent cough could indicate chest or sinus infection.    From Wordnik.com.  [Special Issue: How Kids Grow Calling The Doctor] Reference

The angle of the anterior chamber is a true angle and not an annular sinus.    From Wordnik.com.  [Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913] Reference

This was a man who earlier in our marriage had trouble handling a sinus infection.    From Wordnik.com.  [Dying With Courage] Reference

The inflammation may extend to the sinus and a heavy discharge from the cavity occur.    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

After the sinus is formed and the pus discharges, the inflammation generally subsides.    From Wordnik.com.  [The Veterinarian] Reference

Valuable animals may be treated by trephining into the head sinus and removing the "grub.".    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

For goods like soda, aspirin, sinus spray, and lotion, the savings were as much as 60 percent.    From Wordnik.com.  [Walmart relaunches one of its biggest bargain brands] Reference

'Laudat, amat, cantat nostros mea Roma libellos, meque sinus omnis, me manus omnis habet'; xi.    From Wordnik.com.  [The Student's Companion to Latin Authors] Reference

As a baby, Lonnie was almost continually sick with sinus infections, bronchitis or ear infections.    From Wordnik.com.  [Special Issue: How Kids Grow The Breath Of Life] Reference

An allergy that produced a sinus virus that poisoned his whole system was discovered after the Trials.    From Wordnik.com.  [A Long Leap Of Faith] Reference

She'd also checked into a hospital: sinus infection, headache from a new hearing aid and celebrity overload.    From Wordnik.com.  [Hype Springs Eternal] Reference

Medical exams in Wiesbaden, Germany, found Anderson fit except for easily treatable sinus and lung inflammations.    From Wordnik.com.  [How Terry Survived] Reference

In the horse, chronic catarrh is commonly caused by diseased teeth, and injuries to the wall of the maxillary sinus.    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

The radiologist's fingers glow against the back-lit film, red rivers tracing blackened craters of the paranasal sinus.    From Wordnik.com.  [Habits Die Hard] Reference

Sinusitis symptoms stem from inflammation in the sinus cavity, which can lead to an overabundance of mucus in the nose.    From Wordnik.com.  [Q&A: Surgery for chronic sinusitis?] Reference

The husbands of the departed wives have strokes and sinus infections and seizures and lesions and kneecap replacements.    From Wordnik.com.  [Turning Thirty] Reference

In-store clinics will treat colds, sinus infections, strep throat, seasonal allergies, and other minor ailments, free of charge.    From Wordnik.com.  [Free health care? Thanks Walgreens!] Reference

In the latter disease, it is sometimes necessary to trephine and wash out the sinus or sinuses affected with an antiseptic solution.    From Wordnik.com.  [Common Diseases of Farm Animals] Reference