FROM OUR EXPERTS
During pre-op testing for my father’s back surgery, the EKG showed a “bundle.” What exactly is a bundle and what does it mean for his health?
The heart's electrical activity normally starts in the heart's natural pacemaker (called the sinoatrial node), which is situated on the upper right chamber of the heart (atrium). From there the electrical impulse travels to the left upper chamber (atrium) and into the atrioventricular (AV) node. Electrical impulses travel through certain cells that are specially designed for the purpose of carrying those impulses. They carry them faster than regular heart muscle cells and are located near one another. When there are many such cells together in a bunch we call this grouping a node. From the AV node the electrical impulse travels down the bundle of His and divides into the right and left bundle branches. When the electrical impulse carrying cells are arranged in a line to carry many impulses together we call this a bundle, if it is ...
I suffer from Chronic migraines I have been seeing a specialist for them he started giving me nerve block shots in the right side of my head right above my right ear. The last injection was in October 2011 by the middle of November I noticed a big indention starting at the hairline of my forehead and extending past the injection sight. Could this indention be from the injections? Will it ever go away? I have noticed that where the needle entered there is a tender spot and if I touch it, rub, or comb my hair I get a tingling sensation on the back of my head. Please help! Pamela.
Sometimes, injections of steroids can cause tissue atrophy or wastage and often this is temporary and returns to normal skin tissue in contour, etc... We can't explain the sensitivity of the skin, though; hope it too gets better.
Good luck, John Claude Krusz and Teri Robert
Scientists around the world are looking for the best way to treat chronic pain patients. But finding evidence that supports the best practice model isn't always easy. In this article, researchers from the Netherlands ask the question, Are we measuring what we need to measure? Many quality studies with high levels of evidence don't provide guidance for real life situations. Patients may be given one type of treatment for the duration of the study. If the symptoms get worse or they aren't helped, they must still finish out the study. In clinical practice, changes are made right away in treatment based on patient needs, wants, and individual characteristics. Sometimes research results reported depend on how the study was conducted. How the data was collected, measured, and analyzed can make a difference. It's not uncommon for different approaches to yield different results for the same group. How do we know which interpretation is correct? Because of these problems and other research dilemm...
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