“A notable neurologic phenotype of PASC with a characteristic combination of tremor, ataxia, and cognitive deficits (PASC-TAC) was observed in ~7% of participants without a prior neurologic history of these symptoms.
PASC-TAC (Postacute Sequelae of COVID-19 infection with Tremor, Ataxia, and Cognitive deficit) was defined by clinical symptoms of both incoordination and cognitive change and neurological findings with the following criteria: (1) at least one of the following: tremor, dysmetria, truncal ataxia, gait ataxia dysdiadochokinesia and (2) at least one of the following on objective testing (MoCA): visuospatial difficulty, memory impairment, language impairment, executive function difficulty, or other change in cognitive function from baseline.”
