دانلود پاورپوینت با موضوع
سرماخوردگی و سایر صدمات موضعی،در قالب ppt و در 38 اسلاید، قابل ویرایش.
بخشی از متن پاورپوینت:
Occurrence of cold related injuries:
Degree of cold exposure
Environmental
Individual factors
Frostbite:
1.Freezing injury/ambient temperatures are well below freezing
2.Nonfreezing cold injuries:exposure to wet conditions when temperatures are above freezing
Most common nonfreezing cold injuries:Trench foot and chilblains
Frostbite permanent tissue damag
Nonfreezing cold injuries :mild uncomfortable inflammatory lesions of the skin
Non freezing cold injuries
Trench foot
Chillblain or pernio
Punniculitis
Cold Urticaria
Severe variant:immersion foot
Significant problem in military operation
Pathophysiolog:multifactorial/direct
Injury to soft tissue with prolonged cooling
& accelerated by wet condition
Peripheral nerve:most sensitive
Tingling to numbness
P/E:pale,mottled,anesthetic,pulseless & immobile
within hours hyperemic phase:severe burning pain and reappearance of proximal sensation
over 2 to 3 days perfusion returns
edema and possibly bullae form
For weeks:Anesthesia
Sever cases:tissue sloughing & gangren
months to years:Hyperhidrosis & cold sensitivity