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Describe the pathophysiology of shock
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Identify the 3 causes of shock
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chap 12 objectives

shock

QuestionAnswer
Describe the pathophysiology of shock If body cannot maintain homeostasis when there is inadequate perfusion
Identify the 3 causes of shock Pump failure- cardiogenic shock and obstructive shock Poor Vessel Function- distributive shock Low Fluid volume- Hypovolemic shock
describe the signs and symptoms of decompensated shock and causes S&S: Falling BP, Labored/irregular breathing, ashen/cyanotic shock, thready/absent pulse, dilated pupils, poor urinary output Causes: late stage of shock when BP drops
describe the signs and symptoms of compensated shock and causes S&S: agitation, anxiety, restlessness, AMS, weak/thready pulse, clammy skin, pallor(cyanosis), nausea/vomiting Causes: Early stages of shock; body can still compensate for blood loss
describe the key components of Pt assessment for shock Scene size-up primary assessment- rapid exam- killer search (bleeding, then airway) Hx taking- SAMPLE if able to provide info Secondary- focused exam reassessment- vital signs every 5 mins
Steps to follow for care of Cardiogenic shock position comfortable, admin high-flow 02, assist ventilations, transport promptly
Steps to follow for care of obstructive shock ALS assist and/or rapid transport, admin high-flow 02
Steps to follow for care of septic shock Transport promptly, admin high-flow 02, assist ventilations, keep Pt warm
Steps to follow for care of neurogenic shock secure airway, spinal immobilization, assist ventilations, admin high-flow 02, preserve body heat, transport promptly
Steps to follow for care of anaphylactic shock manage the airway, assist ventilations, admin high-flow 02, determine cause, assist with admin of epinephrine, consider ALS, transport promptly
Steps to follow for care of psychogenic shock determine duration of unconsciousness, Place supine, record vital signs and mental status, suspect head injury, transport promtly
Steps to follow for care of Hypovolemic shock secure airway, assist ventilations, admin high flow 02, control external bleeding, keep warm, transport immediately
describe the signs and symptoms of Hypovolemic shock and causes S&S: Rapid/weak pulse, low BP, change in mental status, cyanosis, clammy skin, increased resp. rate causes: blood or fluid loss
describe the signs and symptoms of psychogenic shock and causes S&S: rapid pulse, normal or low BP Causes: temporary vascular dilation, anxiety/traumatic event
describe the signs and symptoms of anaphylactic shock and causes S&S: mild itching/rash, burning skin, vascular dilation, generalized edema, coma, rapid death Causes: life-threatening allergic reaction
describe the signs and symptoms of neurogenic shock and causes S&S: Bradycardia, Low BP, Signs of Neck Injury Causes: damaged cervical spine- causes widespread blood vessel dilation
describe the signs and symptoms of septic shock and causes S&S: warm skin/fever, tachycardia, low BP causes: sever bacterial infection
describe the signs and symptoms of distributive shock and causes S&S: Septic shock, neurogenic shock, anaphylactic shock, psychogenic shock Causes- widespread dilation of arterioles/venules, blood pools in vascular beds and tissue perfusion decreases
describe the signs and symptoms of obstructive shock and causes S&S: dyspnea, rapid/weak pulse, rapid/shallow breaths, decreased lung sounds, decreased BP, jugular vein distention, subcutaneous emphysema, cyanosis Causes: cardiac tamponade, tension pneumothorax, pulmonary embolism
describe the signs and symptoms of cardiogenic shock and causes S&S: chest pain, irregular/weak pulse, low BP, cyanosis, clammy skin, anxiety, crackles (rales), pulmonary edema Causes: inadequate heart function, disease of muscle tissue, impaired electrical system, disease or injury
Created by: emt2023bucher
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