What tests should Raynaud's disease do?
summary
Raynaud's disease is caused by the paroxysmal spasm of the extremities. In our daily life, we need to eat more fresh fruits and vegetables, which have no grains. Most of the patients are female friends between 25 and 40 years old. From a medical point of view, the diagnosis of the disease is not complicated. In addition to identifying typical symptoms, some common examinations can also diagnose the disease. So let's understand what tests should be done for Raynaud's disease??
What tests should Raynaud's disease do?
First: laboratory examination. It is suggested that antinuclear antibody, rheumatoid factor immunoglobulin, complement value, anti natural DNA antibody, cryoglobulin, and combs test should be used as routine examination in patients with systemic connective tissue diseases.
Second: cold water test: according to the principle of vascular response to cold stimulation, the patient's hands were immersed in lower temperature water to observe the reaction. Generally, when the water temperature is about 4 ℃ and soaked for 1 minute, the induction rate of skin color change is 75%. This test is simple and easy, but some patients will have finger pain and other symptoms. Patients with hypertension and heart disease should be cautious.
Third: local cooling test: when the room temperature is 20 ℃, first measure the skin temperature of fingers, and then immerse hands in 4 ℃ water for 2 minutes. Then observe the change of skin temperature of fingers, and count the time of skin temperature recovery before the test. If it is more than 30 minutes, it is positive. It can be combined with cold water test.
matters needing attention
In daily life, there are a lot of patients with Raynaud's disease. As long as we treat them well, the disease will soon recover. Timely detection and timely treatment of Raynaud's disease are of great help to the recovery of the disease.