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Pediatric Shock and Disorders of Hydration

Shock. Inadequate peripheral perfusion where oxygen delivery does not meet metabolic demand. Adult vs Pediatric Shock. Same causes/different frequencies. Adult vs Pediatric Shock. HypovolemiaMost common cause of pediatric shockSmall blood volumes (80cc/kg). Adult vs Pediatric Shock. SepsisSecond most common cause of pediatric shockImmature immune system.

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Pediatric Shock and Disorders of Hydration

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    1. Pediatric Shock and Disorders of Hydration

    2. Shock Inadequate peripheral perfusion where oxygen delivery does not meet metabolic demand

    3. Adult vs Pediatric Shock Same causes/different frequencies

    4. Adult vs Pediatric Shock Hypovolemia Most common cause of pediatric shock Small blood volumes (80cc/kg)

    5. Adult vs Pediatric Shock Sepsis Second most common cause of pediatric shock Immature immune system

    6. Adult vs Pediatric Shock Cardiogenic Primary pump failure rare Secondary failure from: Hypoxia Acidosis Hypoglycemia Hypothermia Drug toxicity

    7. Adult vs Pediatric Shock Neurogenic Rare Low incidence associated with low pediatric spinal cord trauma rates

    8. Adult vs Pediatric Shock Hypoglycemia Mimics shock Altered level of consciousness Pallor Tachycardia Diaphoresis

    9. Pediatric Shock Early shock - Very difficult to detect Pediatric cardiovascular system compensates well

    10. Pediatric Shock Early Signs/Symptoms Tachycardia - carry chart of normals Slow capillary refill ( > 2 seconds) Pale or mottled skin, cool extremities Tachypnea

    11. Pediatric Shock Late Signs/Symptoms Weak or absent peripheral pulses Decreasing level of consciousness Hypotension

    12. Pediatric Shock Hypotension = Late Sign of Shock Pre-arrest State

    13. Pediatric Shock Reassess, Reassess, Reassess Pediatric patients in compensated shock “crash” quickly

    14. Pediatric Shock Initial assessment may detect shock, but not its cause When in doubt, treat for hypovolemia

    15. Shock Management Airway Open, clear, maintain Non-invasive (chin lift, jaw thrust) Invasive (endotracheal intubation) Trauma patient - ? C-spine injury

    16. Shock Management Breathing 100% oxygen indicated for all shock Ventilation Reduce work of breathing Do not “fight” patient

    17. Shock Management Circulation Apply cardiac monitor Control obvious hemorrhage Elevate lower extremities Do not inflate MAST abdomen if < 10

    18. Shock Management Fluid Resuscitation Consider scene time Consider intraosseous access Fluid bolus: 20 cc/kg Most common error--Too LITTLE fluid Reassess for: Improved perfusion Respiratory distress

    19. Shock Management Check blood glucose Give D25W if D-stick < 40 - 60 mg % Do NOT use D50W in children

    20. Cardiac Arrest/Arrhythmias Pedi cardiac arrest Usually complication of respiratory failure NOT primary cardiac disease

    21. Arrhythmias Sinus Tachycardia Usually physiologic response to non-cardiac problem Hypovolemia Fear Pain Fever Find, correct underlying problem

    22. Arrhythmias Bradycardia Physiologic response to hypoxia Treat with: Oxygenation Ventilation Epinephrine may be useful in stimulating depressed myocardium Atropine usually unnecessary

    23. Arrhythmias Ventricular arrhythmias Very rare Imply drug toxicity, electrolyte problems

    24. Congenital Heart Disease Know your patient population Get good history from parents: Baseline status Cyanosis Medications Surgical history

    25. Congenital Heart Disease Signs/Symptoms Poor feeding Decreased oral intake Sweating during feeding Tachypnea Rales/wheezing Weak pulses, mottled extremities

    26. Congenital Heart Disease Management 100% oxygen May not relieve cyanosis Assist ventilation if respiratory distress present Limit fluids

    27. Congenital Heart Disease Management Cardiac monitor Conduction disorders/bizarre arrhythmias Possible digitalis toxicity Electrolyte imbalances Avoid pharmacologic intervention except on medical control orders

    28. Disorders of Hydration

    29. Disorders of Hydration Causes Vomiting Diarrhea Fever Poor oral intake Diabetes mellitus

    30. Disorders of Hydration Mild dehydration ( <5% weight loss) Mild increased thirst Slight mucous membrane dryness Slight decrease in urinary frequency Slight increase in pulse rate

    31. Disorders of Hydration Moderate dehydration (5 - 10% weight loss) Moderate increase in thirst Very dry, “beefy red” mucous membranes Decrease in skin turgor Tachycardia Oliguria, concentrated urine Sunken eyes

    32. Disorders of Hydration Severe dehydration (10 - 15% weight loss) Severe thirst Tenting of skin No tears when crying Weak, thready pulses Marked tachycardia Sunken fontanelle Hypotension Decrease in LOC

    33. Hypotension Late Sign of Shock Impending Cardiovascular Collapse

    34. Disorders of Hydration Management Oxygen 20 cc/kg boluses LR Repeat boluses as needed to Restore peripheral pulses Decrease tachycardia Improve LOC

    35. Disorders of Hydration Management Monitor for: Respiratory distress Pulmonary edema Reassess, Reassess, Reassess

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