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- Narrow stools: Should I be concerned? - Mayo Clinic
Narrow stools that happen now and then probably are harmless But in some cases, narrow stools — especially if pencil thin — may be a sign that the colon is narrowing or has a blockage And that could be due to colon cancer Irritable bowel syndrome (IBS) also may cause changes in the size of your stools
- Urethral stricture - Symptoms and causes - Mayo Clinic
Scar tissue, which can narrow the urethra, can be due to: A medical procedure that involves putting a tool, such as an endoscope, into the urethra A tube that's put into the urethra to drain the bladder, called a catheter Trauma or injury to the urethra or pelvis
- Spinal stenosis - Symptoms and causes - Mayo Clinic
Overview Spinal stenosis happens when the space inside the backbone is too small This can put pressure on the spinal cord and nerves that travel through the spine
- Aortic valve stenosis - Symptoms and causes - Mayo Clinic
But in some people — particularly those with changes in the aortic valve at birth — calcium deposits might cause the valve to narrow at a younger age Rheumatic fever This complication of untreated strep throat can damage the heart valves It may cause scar tissue to form on the aortic valve Scar tissue can narrow the aortic valve opening
- Vitiligo - Diagnosis treatment - Mayo Clinic
For people who can't go to a clinic for treatment, smaller portable or handheld devices for narrow band ultraviolet B therapy are available for home use Talk with your health care provider about this option as well if needed Possible side effects of narrow band ultraviolet B therapy include redness, itching and burning
- Coronary artery disease - Symptoms and causes - Mayo Clinic
Symptoms of coronary artery disease may not be noticed at first Sometimes symptoms only happen when the heart is beating hard, such as during exercise As the coronary arteries continue to narrow, symptoms can get more severe or frequent A completely blocked coronary artery will cause a heart attack Common heart attack symptoms include:
- Arthroscopy - Mayo Clinic
Arthroscopy (ahr-THROS-kuh-pee) is a procedure that uses a fiber-optic camera to diagnose and treat joint problems A surgeon inserts a narrow tube attached to a fiber-optic video camera through a small incision — about the size of a buttonhole The view inside the joint is transmitted to a high-definition video monitor
- Small vessel disease - Symptoms causes - Mayo Clinic
Small vessel disease signs and symptoms include: Chest pain, squeezing or discomfort (angina), which may get worse with activity or emotional stress
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