An uncommon case of lengthy COVID has resulted in a person's legs turning blue after 10 minutes of standing.

The 33-year-old affected person has developed a situation referred to as acrocyanosis, which is when leg veins do not permit blood to stream again as much as the guts and as an alternative accumulate in a pool.

A minute after standing, his legs start to redden after which turn out to be more and more blue over time as his veins turn out to be extra distinguished. An itchy sensation then develops.

They return to regular after two minutes of sitting or mendacity down.

The affected person began to expertise the situation after catching COVID. It additionally noticed him identified with postural orthostatic tachycardia syndrome (POTS), which causes an irregular enhance in coronary heart charge when standing.

His case has been documented in new analysis revealed within the Lancet journal.

Author Dr Manoj Sivan, from the University of Leeds, mentioned it was necessary to boost consciousness of acrocyanosis being a possible facet impact of lengthy COVID.

He added: "Patients experiencing this may not be aware that it can be a symptom of long COVID and may feel concerned about what they are seeing.

"Similarly, clinicians is probably not conscious of the hyperlink between acrocyanosis and lengthy COVID."

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Plenty of lengthy COVID signs have been noticed since analysis into the situation started.

It impacts a number of methods within the physique - together with the autonomic nervous system, which is liable for regulating blood strain and coronary heart charge.

It can even impression folks's capacity to pay attention and carry out primary day by day actions.

This dysfunction of the autonomic nervous system, referred to as dysautonomia, is seen in different long-term situations like power fatigue syndrome.