Found a public account called “Clinical Electrocardiography Medicine” that posts daily ECG interpretation exercises and answers.
Regular practice is essential for ECG reading—use it or lose it.
https://mp.weixin.qq.com/s/TSs_5F08ThXwGYzxezDpvQ
They’ve recently published a book:
https://mp.weixin.qq.com/s/ga8z84g2aICtY4swHc7r0Q