The choking rescue procedure (Heimlich maneuver) is not recommended
when the above signs are present. A cough will often dislodge the food or
object and relieve the symptoms. If coughing does not relieve your symptoms,
contact your doctor for evaluation.
Frostbite refers to the freezing of body tissue (usually skin) that results when the blood vessels contract, reducing blood flow and oxygen to the affected body parts.
Normal sensation is lost, and color changes also occur in these tissues.
Frostbite is most likely to affect body parts that are farther away from the body core and, therefore, have less blood flow. These include your feet, toes, hands, fingers, nose, and ears.
There are three degrees of cold injury: frostnip, superficial frostbite,...