The 59-year-old actor reportedly fainted after expressing discomfort and his family rushed him to the SIMS Hospital at Vadapalani while he was in an unconscious state. He later underwent an emergency coronary angiogram followed by angioplasty.
The actor's condition was reported to be critical and he was on extracorporeal membrane oxygenation (ECMO) in the intensive care unit of the hospital.
The ace actor had earlier made headlines on Thursday for his efforts to remove the fear of the COVID vaccine among the public. Instead of opting for a private hospital, he had chosen to get vaccinated from a government hospital to spread awareness.
The renowned comedian Vivek was popularly called 'Chinna Kalaivanar' for his social reformative dialogues in Tamil cinema. He was bestowed with the Padma Shri Award, India's fourth-highest civilian award in the year 2009 by the union government.
Vivek, who was last seen in the Tamil remake of the Hindi film 'Vicky Donor' titled 'Dharala Prabhu', is also part of director Shankar's upcoming film 'Indian 2', which stars Kamal Haasan in the lead role.