Twisting the knee is a common cause of overstretched or torn ligaments of the knee. The knee may give out suddenly when the ACL is torn and there may be a popping sound upon injury. Symptoms of a torn ACL include knee pain, swelling, stiffness, and bruising.
Early symptoms of carbon monoxide poisoning such as headaches, nausea, and fatigue, are often mistaken for the flu because the deadly gas goes undetected in a home. Prolonged exposure can lead to brain damage and even death.
Carbon Monoxide (CO) Poisoning in Your Home. Carbon monoxide (CO) is an odorless, colorless gas often formed in the process of incomplete combustion of organic substances, including fuels.It is dangerous because it interferes with normal oxygen uptake for humans and other living organisms needing oxygen to live.ake sure that all your fuel burning appliances and heating devices are properly vented and maintained. Know the symptoms of CO poisoning. Finally, to detect potentially deadly conditions, install and maintain CO alarms in your home in accordance with Minnesota's CO alarm law.