What is a heart attack?
- साझा करें
- चर्चा
- ऑडियो संस्करण
- Google पर पसंदीदा स्रोतों में जोड़ें
Dr Yassir Javaid
A heart attack (myocardial infarction) is usually caused by a blood clot, which stops the blood flowing to a part of your heart muscle. You should call for an ambulance immediately if you develop severe chest pain.





