One hundred and ninety-one rats were injured with the overpressure of blast waves and 64 out of the 191 died in the first 30 min after injury.The myocardial damages of the rats were as follows: (1) Disturbance of myoc...One hundred and ninety-one rats were injured with the overpressure of blast waves and 64 out of the 191 died in the first 30 min after injury.The myocardial damages of the rats were as follows: (1) Disturbance of myocardial circulation;(2) Degeneration and necrosis of the myocardium,severance of the myocardial fibers and separation of the intercalated discs, (3) Air embolism of the myocardial vessels and interstitial emphysema. It is speculated that these myocardial damages are the results of the direct effects of the overpressure of blast waves and the secondary effects of the pulmonary damages. Protection of the heart and the lungs from the overpressure of blast waves is the key to reduce the number of instant death in blast injury.展开更多
文摘One hundred and ninety-one rats were injured with the overpressure of blast waves and 64 out of the 191 died in the first 30 min after injury.The myocardial damages of the rats were as follows: (1) Disturbance of myocardial circulation;(2) Degeneration and necrosis of the myocardium,severance of the myocardial fibers and separation of the intercalated discs, (3) Air embolism of the myocardial vessels and interstitial emphysema. It is speculated that these myocardial damages are the results of the direct effects of the overpressure of blast waves and the secondary effects of the pulmonary damages. Protection of the heart and the lungs from the overpressure of blast waves is the key to reduce the number of instant death in blast injury.