Cardiac arrest for 4 seconds may be caused by environmental factors, drug factors, disease factors and so on.
1. Environmental factors: by the influence of environmental factors, there may be cardiac arrest phenomenon, such as long-term living in the oxygen concentration is relatively low and thin air in the environment, which needs to be adjusted in time to improve the living environment.
2. Drug factors: many patients take medication without authorization when they are sick, so there may be drug allergies or poisoning, which can lead to cardiac arrest. Generally, after abusing anti-tumor drugs, antibiotics or anti-psychotics, cardiac arrest may occur due to direct or indirect damage to the heart muscle.
2. Disease factors: for middle-aged and elderly people, suffering from acute myocarditis, acute myocardial infarction, asthma and other diseases, may be due to cardiopulmonary function is impaired and lead to cardiac arrest for 4 seconds.
Generally speaking, as long as the cardiac arrest time is more than three seconds, you need to pay attention to observe whether it is accompanied by other clinical symptoms, and if necessary, should go to the hospital, through the relevant examination to further diagnosis and treatment.