Purple fingers are a warning against Raynaud’s syndrome, but it is not a diagnosis based on this symptom, as purple fingers can also be seen in respiratory failure and heart failure.
1. Raynaud’s syndrome: purple fingers may have Raynaud’s syndrome. Raynaud’s syndrome refers to paroxysmal spasms of the small arteries, the affected area programmed to appear pale and cold, bruising and pain, flushing and then recovery of the typical symptoms. Often in the cold stimulation or emotional fluctuations when the onset; patients may be accompanied by the emergence of cold fingers, pallor, numbness and other symptoms.
2. Respiratory failure: patients with respiratory failure may have cyanosis, dyspnea, shortness of breath and other symptoms, cyanosis is a typical manifestation of hypoxia, when the arterial oxygen saturation is lower than 90%, cyanosis can occur in the lips, nails and other places, that is, the fingers and other parts of the body may appear cyanosis.
3. Heart failure: If you suffer from myocardial infarction, dilated cardiomyopathy and other diseases can be induced by heart failure, which will lead to purple fingers, exertion dyspnea, sitting breathing and other symptoms.
There are many causes of purple fingers, we suggest that patients go to the hospital in time, under the guidance of the doctor to improve the relevant examination, in order to clarify the diagnosis.