Stroke, sudden cardiac arrest and malaria are dangerous conditions that can lead to sudden death.
If you know their signs and act in time, then there is a chance to save a life.
Stroke
A stroke occurs when blood flow to the brain is stopped.

A blood clot or a ruptured blood vessel can cause a stroke.
Signs of a life-threatening disease may include sudden weakness in the arms or legs, loss of speech.
Malaria
The dangerous disease is spread by mosquitoes.
Malaria is most common in exotic countries.
Before traveling to such regions, it is worth consulting a doctor and finding out advice on prevention.
Sudden cardiac arrest
This can happen even to people who have no health complaints.
In this condition, the heart suddenly stops working.
A person without outside help can die in a matter of minutes.