L4: Shock Flashcards
Def of Shock
Pathophysiology of Shock
Compensatory Mechanisms in Shock
Stages of Shock
Stages of Shock
- BP
- Blood Flow
- Vital Organs Function
CP of Shock
CP of Shock
- Vital Organs
CP of Shock
- Pulse
CP of Shock
- RR
CP of Shock
- BP
CP of Shock
- Skin
CP of Shock
- CRT
CP of Shock
- Level of Consciousness
- Early diagnosis requires a high index of suspicion.
- Diagnosis is made through the physical examination focused on tissue perfusion.
- Hypotension is a late & pre-morbid sign.
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Early Signs of Shock
Late signs of shock
Initial evaluation of shock
Classification of Shock
Incidence of Hypovolemic Shock
- Most common form of shock world-wide
Etiology of Hypovolemic Shock
CP of Hypovolemic Shock
TTT of Hypovolemic Shock
Septic Shock
Charaters of Warm Septic Shock
β Early
β Compensated
β Hyperdynamic state
Warm Septic Shock
- Clinical Signs
Warm Septic Shock
- Physiological
Warm Septic Shock
- INVx
- Hypocarbia β elevated lactate
- Hyperglycemia
Warm Septic Shock
- TTT
Cold Septic Shock
Cold Septic Shock
- Charcaters
β Late
β Uncompensated
β Drop in cardiac output
Cold Septic Shock
- Clinical Signs
Cold Septic Shock
- Physiological
Cold Septic Shock
- INVx
- Hypoxia β metabolic acidosis
- Hypoglycemia
- Coagulopathy
Cold Septic Shock
- TTT
Etiology of Cardiogenic Shock
CP of Cardiogenic Shock
TTT of Cardiogenic Shock
Mechanism of Distributive shock
Etiology of Distributive shock
β Anaphylaxis
β Early sepsis βwarm shockβ
β Drugs
β Neurogenic injury
Signs of Distributive shock
β‘β‘ COP & β£β£ SVR
TTT of Distributive shock
β TTT of the cause
β ABC & fluid
β Inotropic: to β‘β‘ SVR
Mechanism of Obstructive Shock
Mechanical obstruction to ventricular outflow
Etiology of Obstructive Shock
β Aortic stenosis
β Aortic coarctation
β Cardiac tamponade
β Tension pneumothorax
β Hypoplastic left heart syndrome
Signs of Obstructive Shock
β£β£ COP & β‘β‘ SVR
TTT of Obstructive Shock
β TTT of the cause
β Pericardial drain
β Chest tube
β Surgical intervention
β If neonate with ductal dependent lesion β’ Prostaglandin E (PGE)
Management of Shock
- Goals
Management of Shock
- Lines
Each additional hour of persistent shock was associated with
- > 2 folds increased probability of mortality
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Management of Shock
- Airway and Breathing
Management of Shock
- Indications of ETT
Management of Shock
- Circulation
Management of Shock
- Cardiotonics
Management of Shock
- Indicatiosn of Cardiotonics
β Possible cardiogenic or obstructive shock
β‘ Distributive shock
β’ Failure to respond to proper volume expansion
Management of Shock
- Examples of Cardiotonics
β Dopamine β Dobutamine
β Epinephrine β Nor-epinephrine
β Milrinone β Phenylephrine
Management of Shock
- Route of Cardiotonics
All cardiotonic drugs need to be administered through a central line.
Management of Shock
- Doses of Cardiotonics
Management of Shock
- Supportive Therapy
Therapeutic end points of resuscitation of shock
Signs of multiple organ failure
Signs of multiple organ failure
- CVS
Signs of multiple organ failure
- RESP
Signs of multiple organ failure
- CNS
Signs of multiple organ failure
- Heme
Signs of multiple organ failure
- Renal
Signs of multiple organ failure
- Liver