Mary Reed, MD
- internal medicine
Location and Office HoursVia Christi Cancer Center
1102 E Centennial
Pittsburg, KS 66762
What are the symptoms of decreased blood flow in the neck?
Brigham and Women's Hospital answeredWhen the neck arteries (carotid arteries) become occluded, symptoms such as dizziness, confusion, drowsiness, headache, and/or a brief loss of ability to speak or move, may be the early warning signs of a possible stroke (brain attack). More severe symptoms, such as sudden sharp headache, loss of vision in one eye, sudden loss of ability to move arms, legs, or one side of the body, sudden forceful vomiting, or sudden decreased level of consciousness may mean that a stroke is imminent.
What is thrombin?
Thrombin is a substance (enzyme) in the bloodstream that is needed for blood to clot. When a person is cut or wounded, thrombin and a protein called fibrinogen make a stringy material that traps blood cells and then gradually decomposes as the area heals.
Only thrombin located at the area of the injury is activated, and only for a few seconds. This process helps prevent a potentially dangerous blood clot, called a thrombus, from forming and traveling through the bloodstream.
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What are the functions of blood?
One of the most important functions of blood is the transportation of oxygen and nutrients to all tissues of the body. Arteries, arterioles, and capillaries deliver oxygen, nutrients, hormones, and proteins to all tissues of the body.
As your blood travels through your body, it undergoes another important process: waste filtration. When blood leaves the body's tissues to travel back to the heart and lungs, veins carry excess nutrients and other items (carbon dioxide, urea, and lactic acid, for example) that your body cannot use. Then your lungs, kidneys, and liver filter the waste products out of your blood.
Your blood’s white blood cells are important for detecting and fighting infections within your body.
Blood Clotting and Wound Healing
Your blood’s platelets are important for quickly repairing wounds to prevent blood loss and seal the skin as a barrier to infection. The platelets attach themselves to the cut or wound. There are several processes that happen simultaneously to attract other platelets to attach to the wound, and produce proteins from the blood’s serum that create a network over the wound. Together the platelets and this network create an effective mesh that is the clot that gets the bleeding to stop.
Your blood also plays an important part in regulating temperature, acid-base (pH) and electrolyte (for example, sodium and potassium) balance within your body.
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