Transcript Chapter 7
Chapter 7 Shock Shock (1 of 2) • Perfusion • Adequate blood and oxygen are provided to all cells in body • Circulatory system failure • Not enough oxygenated blood is being supplied to every part of the body • Can permanently damage body parts if untreated Shock (2 of 2) • Circulatory system has three components: • Working pump (heart) • Network of pipes (blood vessels) • Adequate amount of fluid (blood) • Circulatory system failure • Pump (heart) failure • Fluid loss • Pipe failure (blood vessels) Perfusion Triangle Types of Shock • Cardiogenic • Hypovolemic • Neurogenic • Septic • Anaphylactic • Psychogenic Recognizing Shock • • • • • Altered mental status Pale, cold, and clammy skin Nausea and vomiting Rapid breathing and pulse Unresponsive in late stages Care for Shock • Treat severe and life-threatening injuries. • Position victim on his or her back. • Raise victim’s legs 6 to 12 inches. • Prevent heat loss. Anaphylaxis • Immune system reacts violently to a particular substance • Severe allergic reactions to: • Medications • Foods • Insect stings • Plant pollen Recognizing Anaphylaxis (1 of 2) • Skin • Flushing, itching, burning • Hives • Swelling • Cyanosis • Circulatory system • Weak pulse • Dizziness • Fainting Recognizing Anaphylaxis (2 of 2) • Respiratory system • Sneezing • Chest tightness • Breathing difficulty • Secretions of fluid • Wheezing • Breathing stops Care for Anaphylaxis (1 of 2) • Monitor breathing. • Administer CPR if needed. • Call 9-1-1 immediately. Care for Anaphylaxis (2 of 2) • If victim has epinephrine auto-injector, help with its use. • Give antihistamine to prevent further reactions. • Keep responsive victim sitting up. Psychogenic Shock • Once victim is lying down, responsiveness usually returns. • If victim fell or has trouble walking: • Check for head and spine injury. • Call 9-1-1 immediately.