The arrow was a weapon in their culture, it was used to hunt and provide for their families as well as offer protection, and because of this it was a tool for sustaining life. One of the biggest factors in altering the meaning, is the way the arrow is depicted or placed in the tattoo design.
1 Symptoms of blood clots in the lung (pulmonary embolus) are chest pain, shortness of breath, and rapid pulse and breathing.  Symptoms of a stroke (blood clot in an artery of the brain) include loss of speech, vision, and weakness on one side of the body.
Step 1. Recognize the symptoms of a blood clot, and report them to your doctor. The affected body part (usually the leg) may be swollen, red in color and warm to the touch. Tenderness or an aching pain may also be a symptom of a blood clot. Step 2. Have a blood test done to check D dimer levels.