Fingernail color purple may be cold stimulation, trauma, lack of oxygen and other factors.
1. Cold stimulation: when the human body is subjected to cold stimulation, it will lead to vasoconstriction, peripheral circulation speed is reduced, resulting in the phenomenon of purple fingernail color.
2. Trauma: When the finger is hit by external force and other injuries, it will lead to damage to the blood vessels under the nails, resulting in the phenomenon of blood stasis, which is reflected in the purple color of the fingernails.
3. Hypoxia: when the human body due to lung disease, heart failure, low oxygen content in the surrounding environment and other reasons induced by hypoxia, it will lead to a decrease in blood oxygen saturation, and the phenomenon of purple fingernail color.
When the phenomenon of purple fingernails, you need to go to the regular hospital in a timely manner to clarify the cause, by the doctor according to the situation to develop individualized treatment plans, so as not to delay the condition.