Typical lubricants have higher particle concentrations then sperm can tolerate which can cause them to stop moving and render them unable to fertilize an egg. In contrast, Preseedâs osmolality matches that of semen and thus does not harm or damage sperm.
Most sudden cardiac deaths are caused by abnormal heart rhythms called arrhythmias. The most common life-threatening arrhythmia is ventricular fibrillation, which is an erratic, disorganized firing of impulses from the ventricles (the heart's lower chambers).
Most sudden deaths are due to a heart condition and are known as sudden arrhythmia death or sudden cardiac death syndrome. Sudden arrhythmia death is most commonly due to a serious abnormal change to the heart's rhythm known as an arrhythmia, such as ventricular tachycardia.Sudden cardiac death describes a sudden death as a result of an un-resuscitated cardiac arrest or heart attack.here are a number of heart conditions that can cause sudden death syndrome however the cause of sudden death can often remain unknown until a post-mortem has been performed. The majority of victims have no warning signs or prior symptoms.