Elderly knee fall ice packs generally need to be iced for about 72 hours before the inflammation and edema slowly subside.
When the elderly fall, the local skin tissue quickly edema, ecchymosis, etc., resulting in local swelling, pain, etc., at this time should be immediately iced to reduce inflammation exudation, thereby reducing edema as well as pain. So it is necessary to ice within 72 hours, if more than 72 hours, then you need to heat, can accelerate the absorption of stasis, edema.
When the elderly fall, you need to pay attention to observation, whether the elderly have fractures, you can check by X-ray film or magnetic resonance, if so, you need to be immobilized, so as not to aggravate the condition.
If you meet the elderly fall, you should call the emergency number to the hospital for treatment.