Burns Tackmann A & P

What is a burn? Tissue damage and death Caused by… Intense heat Electricity UV Radiation (sunburn) Chemicals

Threats from serious burns Dehydration and electrolyte imbalance Kidneys will shut down Circulatory shock can occur Low blood circulation due to low amounts of blood Rule of 9 Helps estimate the volume of fluid lost Divides the body into 11 sections Each area considered to be 9% of the bodies surface

Classifications: Partial Thickness Burns First-degree burns Only epidermis is damaged Red and swollen Heal in 2 – 3 days Second-degree burns Epidermis and upper dermis Red, painful and blisters Regeneration will occur

Classifications: Full-thickness burns Third-degree burns Epidermis and dermis burnt Burnt, grey-white color Nerve endings burnt off Might not hurt Regeneration is not possible Grafting is required

Recognizing burns

Critical Situations 25 % of body has 2nd degree burns 10% of body has 3rd degree burns 3rd degree burns to the face Risk of respiratory damage/swelling

Skin Cancers Tackmann A & P

Basal Cell Carcinoma Least malignant and most common Cells of Stratum Basale altered Cannot form keratin Cells invade the dermis and hypodermis

Squamous Cell Carcinoma Arises form Stratum Spinosum layer Lesions appear scaly and reddened Sun-induced cancer Early detection is key!

Malignant Melanoma Cancer of the Melanocytes Appears as a spreading black patch 50% survival and early detection is key!

ABCDE Rule Asymmetry Boarder irregularity Color – Spots, browns, blacks, tans, blues, reds…. Diameter – greater than 6mm (end of an eraser) Evolving – Moles spots changing over time