The new EPI Life mobile phone comes complete with mini electrocardiogram.
"We think it's a revolution. It has clinical significance," EPI medical chief Dr. Chow U-Jin said at the mobile industry's annual conference in Barcelona.
"Anywhere in the world you can use it as a phone but you are also able to transfer an ECG and get a reply," Chow said.
"If you get a normal reply it will just be an SMS," he added.
"If it's severe, you get a call: 'Sir, an ambulance is on the way'."
EPI Life has three hospitals in Singapore, all of which carry the phone users' history.
EPI Life costs $700 (516 euros), the price of a top range smartphone, and 2,000 of them have been on the market since 2010.