When MRSA is left untreated, many patients get staph infections, short for Staphylococcus. Staph infections can affect various parts of the body but most commonly attack the skin, resulting in boils or pimples on the skin.These boils can be swollen, red and painful. If left untreated, they may also have pus.taph infections can affect various parts of the body but most commonly attack the skin, resulting in boils or pimples on the skin. These boils can be swollen, red and painful. If left untreated, they may also have pus.
Polycythemia Vera. A disease in which there are too many red blood cells in the bone marrow and blood, causing the blood to thicken. The number of white blood cells and platelets may also increase.he extra red blood cells make your blood thicker than normal. As a result, blood clots can form more easily. These clots can block blood flow through your arteries and veins, which can cause a heart attack or stroke. Thicker blood also doesn't flow as quickly to your body as normal blood.
The main potential complication of CAD is a stroke. A stroke occurs when the blood flow to the brain is interrupted. This can lead to loss of brain function or even death. There are several ways that CAD can cause a stroke: 1  narrowed carotid arteries may not supply enough blood to the brain.2  a piece of plaque can break off and lodge in one of the smaller arteries of the brain, blocking blood flow. 3  blood clots can form in the carotid artery, blocking blood flow.he main potential complication of CAD is a stroke. A stroke occurs when the blood flow to the brain is interrupted. This can lead to loss of brain function or even death. There are several ways that CAD can cause a stroke: 1  narrowed carotid arteries may not supply enough blood to the brain.