I have always been told that colonoscopies are necessary to prevent cancerous polyps from occurring. Is the risk of a ...

Dear Dr. Roach: At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I'd call ...

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

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” ...

A 79-year-old man was admitted to a hospital in Guangzhou, China, with progressive dyspnea and edema. Echocardiography and ...

Is the risk of a colonoscopy under these circumstances greater than the risk of my getting colon cancer due to Lynch syndrome ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker.

DEAR DR. ROACH: 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 ...

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, ...