Since you don't have any other significant symptoms, then it is safe to say that you have skin sensitivity. This can be more common with fair skinned people. Your skin may react to the pressure of what it is coming in contact with it, or it can react to the material. In the case of the blood pressure cuff, for instance, you most likely reacted to the increased pressur it provided against your skin. However, your skin may have been irritated from the material of the cuff or a chemical that was used to clean the cuff. If the mark is gone within in a couple hours, that is fine. If you are bruising from the contact then you should talk to the doctor about it.
I don't have much more to offer except that you seek medical examination, but that might be a problem for you because of your location. It is difficult without being able to examine the skin and see what is happening. Oftentimes, with skin conditions, you need to keep a journal to see what is bothering you, and note when the problem occurs, so you can avoid the irritant or stimulant. A doctor can do blood tests to see if your red blood cell count is normal and can observe your skin.
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Hi again Bob,
I've read your reply carefully and am trying to give you insight. I have done some research and have some ideas and recommendations for you.
First, you have been seen by several specialists, and have not gotten a definitive diagnosis, which is good because perhaps nothing is wrong. Unfortunately it can take a long time to determine the cause of symptoms.
I would like you to see a skin specialist, a dermatologist, at your earliest convenience. Take pictures of the blotched areas when they appear so that you can show them to the doctor just in case they disappear when you have your visit (this happens quite often). Next, I recommend that you consult with an allergist to rule out any type of allergy that is causing the breakout. You can askyour doctor to do a rast profile which is a preliminary blood test that would indicate what you may be allergic to.
Next, ask your doctor (rheumatologist) if he did an arthritis profile on you and find out if you were tested yet for any auto-immune diseases such as Lupus. Some of this testing may have been done.
You described that you work alot and do manual labor, and you may be straining your pectoral muscles. I am trying to reach for different possiblities with you. Thank you for giving me some of your past history. You can consult with the doctors that you have seen, over the phone and demand more definitive answers. Find out what their plan is for you.
I hope all will be well with you!
I am here if you would like to talk further.