14
Skin Homeostatic Skin Homeostatic Imbalance Imbalance Ch. 4c Ch. 4c

Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Embed Size (px)

Citation preview

Page 1: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Skin Homeostatic ImbalanceSkin Homeostatic Imbalance

Ch. 4cCh. 4c

Page 2: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

What goes wrong with skin?What goes wrong with skin?

What skin problems do you know about?What skin problems do you know about?

Page 3: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Skin Homeostatic ImbalancesSkin Homeostatic Imbalances

Slide 4.23Slide 4.23Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Infections Athletes foot

Caused by fungal infection

Boils and carbuncles

Caused by bacterial infection

Cold sores

Caused by virus

Page 4: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Skin Homeostatic ImbalancesSkin Homeostatic Imbalances

Slide 4.24Slide 4.24Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Infections and allergies Contact dermatitis

Exposures cause allergic reaction

Impetigo

Caused by bacterial infection

Psoriasis

Cause is unknown

Triggered by trauma, infection, stress

Page 5: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Skin Homeostatic ImbalancesSkin Homeostatic Imbalances

Slide 4.25Slide 4.25Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Burns

Tissue damage and cell death caused by heat, electricity, UV radiation, or chemicals

Associated dangers

Dehydration

Electrolyte imbalance

Circulatory shock

Page 6: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Rules of NinesRules of Nines

Slide 4.26Slide 4.26Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Way to determine the extent of burns

Body is divided into 11 areas for quick estimation

Each area represents about 9%

Page 7: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Severity of BurnsSeverity of Burns

Slide 4.27Slide 4.27

First-degree burns Only epidermis is damaged Skin is red and swollen

Second degree burns Epidermis and upper dermis are damaged Skin is red with blisters

Third-degree burns Destroys entire skin layer Burn is gray-white or black

Page 8: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Critical BurnsCritical Burns

Slide 4.28Slide 4.28Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Burns are considered critical if:

Over 25% of body has second degree burns

Over 10% of the body has third degree burns

There are third degree burns of the face, hands, or feet

Page 9: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Skin CancerSkin Cancer

Slide 4.29Slide 4.29Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Cancer – abnormal mass of cells

Two types Benign

Does not spread (encapsulated)

Malignant

Metastasized (moves) to other parts of the body

Skin cancer is the most common type of cancer

Page 10: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Skin Cancer TypesSkin Cancer Types

Slide 4.30Slide 4.30Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Basal cell carcinoma Least malignant

Most common type

Arises from statum basale

Squamous cell carcinoma Arises from stratum spinosum

Metastasizes to lymph nodes

Early removal allows a good chance of cure

Page 11: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Skin Cancer TypesSkin Cancer Types

Slide 4.31Slide 4.31Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Malignant melanoma Most deadly of skin cancers

Cancer of melanocytes

Metastasizes rapidly to lymph and blood vessels

Detection uses ABCD rule

Page 12: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

ABCD RuleABCD Rule

Slide 4.32Slide 4.32Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

A = Asymmetry Two sides of pigmented mole do not match

B = Border irregularity Borders of mole are not smooth

C = Color Different colors in pigmented area

D = Diameter Spot is larger then 6 mm in diameter

Page 13: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Lessons to take home…Lessons to take home…

Take care of your skinTake care of your skinTreat infections quicklyTreat infections quicklySee your doctorSee your doctorStay out of the sun!Stay out of the sun!

Page 14: Skin Homeostatic Imbalance Ch. 4c. What goes wrong with skin? What skin problems do you know about? What skin problems do you know about?

Quick Quiz!Quick Quiz!

1.1. What are the three types of burns?What are the three types of burns?

2.2. How is the extent of burns calculated?How is the extent of burns calculated?

3.3. Name one type of skin cancer.Name one type of skin cancer.